All Wiring Diagrams for Honda Ridgeline RT 2012 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012:

(canada: touring)
(left side of blower unit) mode control motor
(right rear of engine compt)
(right side of hvac unit)
(under driver's seat)
(usa: rtl)
5v(+)
A/c pres sw
A/c pressure switch (right side of engine compt)
Ac-ck
Ac-si
Ac-so
Amd-p
Amd-p as
Amd-p dr
B-can
B20
B21
Blwr fdbk
C204
C405
C407
Climate control unit
Computer data
Computer data lines system
Control block
Driver's air mix control motor (left side of hvac unit)
Evap sens
Evaporator temperature sensor (bottom left of hvac unit)
Fresh
Front passenger's air mix control motor
Frs
G202
G401 (left kick panel)
Gnd
Ig2
Illum(+)
Illum(-)
In-car
In-car temperature sensor (lower left side of dash)
Interior lights system
Lines system
M-cool
M-cool as
M-cool dr
M-def
M-hot
M-hot as
M-hot dr
M-vent
Mode 1
Mode 2
Mode 3
Navigation unit
Outside air
Outside air temperature sensor (behind front grille)
Pnk
Pwr trns ctl
Rec
Recirculate
Recirculation control motor (right side of hvac unit)
Red
Relay control module
S-com
S5v
Sun sens
Sunlight sensor (top center of dash)
Under-hood fuse/relay box (at right rear of engine compt)

Automatic A/C Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012:

(not used)
A/c compressor
A/c compressor clutch
A/c compressor clutch relay
A/c condenser fan motor (front middle of engine compt)
A/c condenser fan relay
A/c diode assembly (behind glove box)
A/c pressure switch
A13
A20
A21
A37
A48
A49
Auxiliary under-hood relay box (left rear of engine compt)
B19
B34
Blower motor (under right side of dash)
Blower motor relay
Blower power transistor
Box (at right rear of engine compt)
C14
C204
C206
C251
C32
C407
C41
Can-h
Can-l
Case ground
Computer data lines system
D16
E15
Ect sensor 1 (at rear of eng, on top of water passage)
Ect sensor 2
Ect1
Engine controls system
F10
Fan control relay
Fuse 10a
Fuse 30a
Fuse 40a
Fuse 7.5a
G101 (right front of engine)
G201 (behind right head- light)
G201 (behind right headlight)
G202 (right rear of engine compt)
G402 (right end of dash)
Ground
High fan control
Hot at all times
Hot in on
J/c c101 (right side of engine compt)
J/c c104 (middle rear of engine compt)
J/c c105 (rear of engine)
J/c c105 (right rear of engine)
Low fan control
N20
Pgm-fi main relay 1
Pnk
Powertrain control module (pcm) (right side of engine compt)
Radiator fan motor (behind radiator)
Radiator fan relay
Red
Relay control
Sensor ground
Sensor input
Sg1
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay

Manual A/C Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012

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List of elements for Manual A/C Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012:

(right rear of engine compt)
5v(+)
A/c pres sw
A/c pressure switch (right side of engine compt)
Amd-p
B-can
Blower power transistor
Blwr fdbk
C204
C407
Computer data lines system
Control block
Driver's air mix control motor (left side of hvac unit)
Evap sens
Evaporator temperature sensor (bottom left of hvac unit)
Fresh
Frs
G202
G401 (left kick panel)
G402 (right end of dash)
Gnd
Hvac control unit-panel
Ig2
Illum(+)
Illum(-)
Interior lights system
M-cool
M-def
M-hot
M-vent
Mode 1
Mode 2
Mode 3
Mode 4
Mode control motor (left side of blower unit)
Outside air
Outside air temperature sensor (behind front grille)
Pnk
Pwr trns ctl
Rec
Recirculate
Recirculation control motor (right side of hvac unit)
Red
Relay control module
S-com
S5v
Under-hood fuse/relay box (at right rear of engine compt)

Manual A/C Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012

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List of elements for Manual A/C Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012:

(not used)
A/c compressor
A/c compressor clutch
A/c compressor clutch relay
A/c condenser fan motor (front middle of engine compt)
A/c condenser fan relay
A/c diode assembly (behind glove box)
A/c pressure switch
A13
A20
A21
A37
A48
A49
Auxiliary under-hood relay box (left rear of engine compt)
B19
B34
Blower motor (under right side of dash)
Blower motor relay
C14
C204
C206
C207
C251
C32
C41
Can-h
Can-l
Computer data lines system
D16
E15
Ect sensor 1 (at rear of eng, on top of water passage)
Ect sensor 2
Ect1
Engine controls system
F10
Fan control relay
Fuse 10a
Fuse 30a
Fuse 40a
Fuse 7.5a
G101 (right front of engine)
G201 (behind right headlight)
G202 (right rear of engine compt)
Ground
High fan control
Hot at all times
Hot in on
J/c c101 (right side of engine compt)
J/c c104 (middle rear of engine compt)
J/c c105 (rear of engine)
Low fan control
N20
Pgm-fi main relay 1
Pnk
Powertrain control module (pcm) (right side of engine compt)
Radiator fan motor (behind radiator)
Radiator fan relay
Red
Relay control
Sensor ground
Sensor input
Sg1
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012:

(behind right kick panel)
(left side of engine compt)
(right end of dash)
+b sol
+b-mr
A48
A49
Auxiliary under-hood fuse box (left side of engine compt)
Bksw
C201
C203
C204
C302
C402
C406
C510
Can-h
Can-l
Computer data lines system
Diag-k
Fl+b
Fl-gnd
Flp
Fr+b
Fr-gnd
Frp
Fuse 20a
Fuse 40a
G302 (left front of engine compt)
G402
Gnd1
Gnd2
Hot at all times
Ig1
J/c c451 (middle of dash)
Left front wheel speed sensor (left front of wheel hub assembly)
Left rear wheel speed sensor (left rear of wheel hub assembly)
Parbrk
Pnk
Powertrain control (pcm) module (right side of engine compt)
Red
Right front wheel speed sensor (right front of wheel hub assembly)
Right rear wheel speed sensor (right rear of wheel hub assembly)
Rl+b
Rl-gnd
Rlp
Rr+b
Rr-gnd
Rrp
S-gnd
Steering angle sensor (in steering column)
Vsa modulator control unit
Vtm-4 control unit
Yaw rate-lateral acceleration sensor (under center console)

Anti-lock Brakes Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012:

A10
A19
A20
Abs indicator
B14
Brake fluid level switch (on brake fluid reservoir)
Brake pedal position switch (at top of brake pedal arm)
Brake system indicator
C205
C302
Drive circuit
Fail safe circuit
Fast controller area
Fuse 20a
Fuse 7.5a
G301 (left front of engine compt)
G401 (left kick panel)
Gauge control module
H/brksw
Hot at all times
Hot in on or start
Immobilizer control unit receiver (in steering column, on ignition key cylinder)
Interior lights system
Network transceiver
Parking brake switch (top of parking brake pedal)
Red
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
Vsa indicator
Vsa off indicator
Vsa off switch (top of brake pedal assembly)
Warning drive circuit
X16
X34
X35

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012

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List of elements for Forced Entry Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012:

(not used)
(usa: rts, rtl canada: touring)
20a
7.5a
A19
Anti-theft system
As unlock
B-can
Body controller area network transceiver
C10
C408
C453
C454
D11
Door lock switch
Dr unlock
Driver's door switch (on left "b" pillar)
Drswas
Drswdr
Drswra
Drswrd
E10
E14
E15
Front passenger's door lock knob switch (usa: rts, rtl canada: touring) (rear of passenger's door)
Front passenger's door switch (on right "b" pillar)
Front passenger's power window switch/door lock switch
Fuse 21
Fuse 33
Fuse 7
Fuse 8
G401 (left kick panel)
G402 (right end of dash)
G403 (left kick panel)
G501 (under center console)
Gauge control module
H10
H12
H13
Hot at all times
Hot in on or start
Ig1
Ignition key switch
Ignition key switch/key light
K11
K12
Left rear door switch (on left "c" pillar)
Lock
Micu
Micu gnd
N28
N38
N44
P1 sg-1
P13 ig key sw
P25 rem as lock
P27 scty in
P29 sil as unlock
P9 rem as unlock
Q11 tailgate sw
Q12 trunk handle sw
Q2 sil ra unlock
Q3 sil rd unlock
Q4 trunk unlock
Right rear door switch (on right "c" pillar)
Trunk act
Trunk sw
Under-dash fuse/relay box (at left kick panel)
Unlock
Vbu
X34
X35

Forced Entry Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012

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List of elements for Forced Entry Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012:

(in driver's door) driver's door key cylinder switch
(rear of driver's door) driver's door lock knob switch
(usa: rts, rtl canada: touring)
15a
20a
7.5a
A18
Audio unit
C203
C454
C506
C507
Cd changer
Control block
Door lock switch
Door multiplex control unit
Fuse 13
Fuse 4
Fuse 7
G201 (behind right headlight)
G401 (left kick panel)
G501 (under center console)
H14
H15
High horn (behind center of front bumper)
Horn relay
Horns system
Hot at all times
Ign
Interior lights system
Key lock
Key unlock
Keyless entry transmitter
Knob lock
Knob unlock
Left rear door lock knob switch (usa: rts, rtl canada: touring) (rear of left rear door)
Lock
Low horn (behind left end of front bumper)
Pg1
Power window master switch
Relay control module
Right rear door lock actuator (rear of right rear door)
Right rear door lock knob switch (usa: rts, rtl canada: touring) (rear of right rear door)
Security hood switch (usa: rts, rtl canada: touring) (center front of engine compt)
Sgnd
Taillight relay
Under-hood fuse/relay box (at right rear of engine compt)
Unlock
Vbu
W/ navigation
W/o navigation

Forced Entry Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012

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List of elements for Forced Entry Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012:

(usa: rts, rtl canada: touring)
Actuator
C403
C408
C453
C506
C509
C510
C601
Driver's door lock actuator (at rear of driver's door)
Front passenger's door lock actuator (at rear of front passenger's door)
G51
G601 (left side of cargo area)
G602 (right side of cargo area)
In-bed trunk lid actuator/ latch switch (in-bed trunk lid)
In-bed trunk lid handle switch (in-bed trunk lid)
In-bed trunk lid key cylinder switch (usa: rts, rtl canada: touring) (in-bed trunk lid)
In-bed trunk lid main switch
Left rear door lock actuator (rear of left rear door)
Mic
Microphone
Nca
Security control unit
Security indicator
Switch
Tailgate switch (right rear of cargo area)

Immobilizer Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Immobilizer Wiring Diagram for Honda Ridgeline RT 2012:

(lower left side of dash)
+b backup
A11
A19
A41
A46
B21
B40
B41
B42
C18
C204
C205
C402
C41
Data link (dlc) connector
Diag-h
E12
E13
Fuel pump
Fuel pump ctrl
Fuel tank unit
Fuse 19 15a
Fuse 7 7.5a
G101 (right front of engine)
G401 (left kick panel)
G502 (left rear of cabin)
Gauge control module
Gnd
H/brake sw
Hot at all times
Hot in on or start
Ig key sw
Ig1
Ig1 fuel pump
Ign in
Ignition key switch
Ignition key switch/key light
Immobi alarm
Immobi code
Immobi code in
Immobilizer control unit receiver (in steering column, on ignition key cylinder)
Immobilizer system indicator
Imocd
Imoes unit (left rear of cab)
J/c c101 (right side of engine compt)
J/c c101 b23
J/c c103 (middle rear of engine compt)
J/c c104 (middle rear of engine compt)
J/c c105 (rear of engine)
Key sw
Lg1
Lg3
Logic gnd
Micu
P13
Parking brake switch (top of parking brake pedal)
Pgm-fi main relay 1
Pgm-fi main relay 2
Powertrain control (pcm) module (right side of engine compt)
Pwr in
Rly ctrl
Transmissions system
Under-dash fuse/relay box (at left kick panel)
X35
X38

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Body Control Modules Wiring Diagram for Honda Ridgeline RT 2012:

(canada: touring)
(not used)
(option connector)
(rtl, touring) p12
(under center console)
(usa: rts, rtl)
+b door lock
Anti-theft & door locks systems
As unlock
Atp-p
Atp-r
B-can
Back lt
Cargo lt rly
Cargo lt sw
Chk
Computer data lines system
Courtesy lt as
Courtesy lt dr
Courtesy lt lr
Courtesy lt rr
D11
D14
Day lt
Defogger system
Door locks system
Door locks, trunk, tailgate, fuel doors & exterior lights systems
Dr unlock
Drswas
Drswdr
Drswra
Drswrd
E10
E14
E15
Exterior lights system
F12
F14
Fr def sw
Fuse 10a
Fuse 20a
Fuse 7.5a
G403 (left kick panel)
G501
H10
H12
H13
H14
Hazard sw
Headlights lights system
Hot at all times
Hot in on or start
Ig key lt
Ig key sw
Ig1
Interior lights & door locks systems
Interior lights & shift interlock systems
Interior lights system
Intr lt
K-line
K11
K12
Key off timer
Key sol
Lock
Micu
Micu gnd
Micu service check connector
N22
N26
N28
P-pin
P10
P11
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
Power tops system
Q10
Q11
Q12
Q13
Q14
Rem as lock
Rem as unlock
Scty in
Seat belt sw
Sg-1
Shift interlock & anti-theft systems
Shift interlock system
Sil as unlock
Sil ra unlock
Sil rd unlock
Stop sw
System
Tailgate sw
Transmissions & mirrors systems
Transmissions & shift interlock systems
Trunk act
Trunk handle sw
Trunk sw
Trunk unlock
Trunk, tailgate, fuel doors
Trunk, tailgate, fuel doors & exterior lights systems
Trunk, tailgate, fuel doors system
Turn l
Turn r
Under-dash fuse/relay box (at left kick panel)
Vbu
Warning systems
X18
X27

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Computer Data Lines Wiring Diagram for Honda Ridgeline RT 2012:

(at left kick panel) under-dash fuse/relay box
(navigation: usa rtl, canada touring)
(not used)
(option connector)
(right end of dash) g402
A16
A17
A18
A3 k-line
A32
A48
A49
Audio unit (w/o navigation)
B-can
B10
B19
C11
C203
C204
C302
C404
C406
C454
Can-h
Can-l
Chk
Climate control unit
Combination switch control unit
Control block
D10
D11
Data link (dlc) connector (lower left side of dash)
Diag (+)
Diag (-)
Diag-h
Diag-k
Door multiplex control unit
Fuse 8 15a
G501 (under center console)
Gauge control module
Gnd
Handsfreelink control unit (navigation: usa rtl, canada touring) (under middle of dash)
Honda accessory
Hot at all times
Hvac control unit
Immobilizer control unit-receiver (in steering column, on ignition key cylinder)
J/c c451 (middle of dash)
J/c c452 (middle of dash)
K-line
Micu
Micu service check connector
N10
N13
N14
N22
N28
Navigation service check connector (usa: rtl; canada: touring) (under driver's seat)
Navigation unit (under driver's seat)
Power window master switch
Powertrain control (pcm) module (right side of engine compt)
Red
Red a22
Relay control module
Scs
Srs unit (behind lower center of dash)
Steering angle sensor (in steering column)
Tpms control unit (under left side of dash)
Under-hood fuse/relay box (at right rear of engine compt)
Usa: rt, sport: canada: dx, vp, sport
Usa: rts, rtl; canada: touring
Vsa modulator control unit (left side of engine compt)
Vtm-4 control unit (behind right kick panel)
Wiper/washer switch
X18
X27
Yaw rate-lateral acceleration sensor (under center console)

COOLING FAN

Cooling Fan Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Cooling Fan Wiring Diagram for Honda Ridgeline RT 2012:

(right rear of engine compt)
A/c condenser fan motor (front middle of engine compt)
A/c condenser fan relay
A/c diode assembly (behind glove box)
A/c pressure switch
A/c pressure switch (right side of engine compt)
A20
A21
A37
A48
A49
Automatic a/c
Auxiliary under-hood relay box (left rear of engine compt)
B-can
B34
Block
C14
C204
C251
C32
Can-h
Can-l
Climate control unit
Computer data lines system
Control
D11
D16
Ect sensor 1
Ect sensor 2
Ect1
Engine controls system
Fan control relay
Fuse 10a
Fuse 19 30a
Fuse 20 30a
Fuse 7.5a
G201 (behind right headlight)
G202
High fan control
Hot at all times
Hot in on
Hvac control unit
J/c c101 (right side of engine compt)
J/c c105 (rear of engine)
Low fan control
Manual a/c
Micu
N28
Pgm-fi main relay 1
Pnk
Powertrain control module (pcm) (right side of engine compt)
Radiator fan motor (behind radiator)
Radiator fan relay
Red
Relay control
Relay control module
Sensor ground
Sensor input
Sg1
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)

CRUISE CONTROL

Cruise Control Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012

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List of elements for Cruise Control Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012:

(on transmission housing) transmission range switch
A18
A19
A24
A25
A26
A27
A29
A48
A49
App sensor (right rear of engine compt)
B17
B18
B26
B33
B34
B36
B38
Brake pedal position switch (at top of brake pedal arm)
C18
C204
C205
C41
Communication
Computer data lines system
Control block
Drive input
Fuse 13 20a
Fuse 18 15a
Fuse 7 7.5a
G101 (right front of engine)
Ground
Horn relay
Hot at all times
Hot in on or start
Ignition input
J/c c103 (middle rear of engine compat)
J/c c104 (middle rear of engine compt)
J/c c105 (rear of engine)
N29
Output shaft (counter shaft) speed sensor (on transmission housing)
Pnk
Powertrain control module (pcm) (right side of engine compt)
Red
Reference voltage
Relay control
Relay control module
Sensor ground
Sensor input
Signal high
Signal low
Switch input
Tan
Throttle actuator(+)
Throttle actuator(-)
Tp sensor a signal
Tp sensor b signal
Tp sensor/throttle actuator (on throttle body assembly)
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
Vtm-4 relay (behind left side of dash)

Cruise Control Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012

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List of elements for Cruise Control Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012:

(left kick panel) g401
A/t gear position/cruise control dimming circuit
A10
A12
A13
A14
A19
A20
B12
B13
C13
C204
Cable reel (top of steering column)
Cancel switch
Computer data lines system
Cruise control combination switch
Cruise control indicator
D10
Drive circuit
E10
Engine controls
Etcs control relay
F-can transceiver
F17
F19
Fuse 21 7.5a
Fuse 7 7.5a
Fuse 8 15a
Fuse 9 15a
Gauge control
Horns system
Hot at all times
Hot in on or start
Ignition coil relay
Interior lights system
J/c c101
Main switch
Module
Pgm-fi main relay 1
Red
Resume/ accel switch
Set/ decel switch
Steering wheel
System
Under hood fuse/relay box (at right rear of engine compt)
Under-dash fuse/relay box (at left kick panel)
X34
X35

DEFOGGERS

Heated Mirrors Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Heated Mirrors Wiring Diagram for Honda Ridgeline RT 2012:

C408
C453
Defogger
Fuse 30 10a
G402 (right end of dash)
G501 (under center console)
Hot in on
J21
Left power mirror
Mirror defogger switch
Power mirror switch
Right power mirror
Under-dash fuse/relay box (at left kick panel)
X21

Heated Windshield Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Heated Windshield Wiring Diagram for Honda Ridgeline RT 2012:

(right rear of engine compt) g202
Air conditioning system
All times
B-can
C204
C205
Climate control unit
Control block
D11
E16
Fr def sw
Fuse 14 20a
Fuse 2 (not used)
Fuse 30 10a
G401 (left kick panel)
G402 (right end of dash)
Gnd
Heated windshield wiper area defogger
Heated windshield wiper area relay
Heater control unit
Hot at
Hot in on
Ig2
J10
Micu
N20
N22
Outside air temp sens
Outside air temper- ature sensor (behind front grille)
P23
Pnk
Relay control module
S-com
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
Usa: rt, sport; canada: dx, vp, sport
Usa: rts, rtl; canada: touring

ENGINE PERFORMANCE

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 7) for Honda Ridgeline RT 2012

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List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 7) for Honda Ridgeline RT 2012:

(at top of brake pedal arm) brake pedal position switch
(right side of engine compt)
(under left side of vehicle) evap canister vent shut valve
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49
Acc
Air conditioning system
Anti-theft system
Aps1
Aps2
Atp-p
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
Barometer sensor
Bksw
Bkswnc
C201
C204
C205
Can-h
Can-l
Computer data lines system
Cooling fans system
Cruise control system
D3 switch
D3 switch/ shift lock solenoid/ park pin switch (top left side of steering column)
D3sw
Ect2
Eld
Etcsrly
Fanh
Fanl
Ftp
Fuse 15a
Fuse 20a
Fuse 7.5a
G101 (right front of engine)
G401 (left kick panel)
Hot at all times
Hot in on or start
Igp
Igpls3
Igpls4
Igpls5
Igpls6
Imo fpr
Imtm
Inj1
Inj2
Inj3
Inj4
Inj5
Inj6
Injectors (inj 1, 2 & 3: top of right cylinder bank) (inj 4, 5 & 6: top of left cylinder bank)
J/c c104 (middle rear of engine compt)
Lg3
Lsb
Lsc
Mrly
Navigation system
Nep
Pg2
Pnk
Powertrain control module (pcm)
Psp sw
Red
S-net5v
Scs
Sg3
Sg4
Sg7
Shift interlock system
Sho2s b1
Sho2s b2
Sls
Starting/charging system
Sts
Sub rly
Tan
Tpsa
Transmissions system
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
Vbsol
Vbsol2
Vcc3
Vcc4
Vcc5
Vcc7
Vcent b1
Vcent b2
Vg+
Vg-
Vs b1
Vs b2
Vssout
Vsv
Vtp sw
X20

3.5L, Engine Performance Wiring Diagram (2 of 7) for Honda Ridgeline RT 2012

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List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 7) for Honda Ridgeline RT 2012:

A/t clutch pressure control solenoid valve a (on transmission housing)
A/t clutch pressure control solenoid valve b (on transmission housing)
A/t clutch pressure control solenoid valve c (on transmission housing)
B20
Evap canister purge valve (right rear of engine)
Fuel gauge sending unit
Fuel pump
Fuel tank unit (in fuel tank)
G101 (right front of engine)
G202 (right rear of engine compt)
G502 (left rear of cabin)
Instrument cluster system
J/c c101 (right side of engine compt)
J/c c103 (middle rear of engine compt)
J/c c104 (middle rear of engine compt)
J/c c105 (rear of engine)
Pnk
Psp switch (on power steering pressure line)
Red
Rocker arm oil pressure switch (right front of engine)
Tan

3.5L, Engine Performance Wiring Diagram (3 of 7) for Honda Ridgeline RT 2012

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List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 7) for Honda Ridgeline RT 2012:

A/f sensor relay
A/t gear position indicator
A/t gear position/ cruise control dimming circuit
A10
A19
A20
C201
C204
C205
Computer data lines system
D10
Drive circuit
E13
E16
Fast controller area network transceiver
Ftp sensor (under left side of vehicle)
Fuse 15a
Fuse 7.5a
G401 (left kick panel)
Gauge control module
Hot at all times
Hot in on or start
Ignition coil relay
Maintenance required ind
Mil ind
Pgm-fi main relay 1
Pgm-fi main relay 2
Pnk
Red
Tan
Tp sensor/ throttle actuator (on throttle body assembly)
Under-dash fuse/relay box (at left kick panel)
Warning drive circuit
X32
X34
X35
X36

3.5L, Engine Performance Wiring Diagram (4 of 7) for Honda Ridgeline RT 2012

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List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 7) for Honda Ridgeline RT 2012:

(right rear of engine compt) app sensor
C151
C203
C205
C302
E10
Ects control relay
F17
F19
Fuse 15a
Fuse 9 15a
Hot at all times
Hot in on or start
Iat sensor
Imt actuator (top front of engine)
Maf sensor
Maf/iat sensor (on air intake duct)
Red
Shift control solenoid valve a
Shift control solenoid valve b
Shift control solenoid valve c
Shift control solenoid valve d
Tan
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
X38

3.5L, Engine Performance Wiring Diagram (5 of 7) for Honda Ridgeline RT 2012

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List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 7) for Honda Ridgeline RT 2012:

(front of left cylinder bank) cmp sensor
(on throttle body assembly) map sensor
(on transmission housing) atf temperature sensor
(on transmission housing) output shaft (countershaft) speed sensor
(rear of engine) ckp sensor
(rear of engine) j/c c105
(right side of engine compt) j/c c101
A10
A11
A12
A13
A14
A15
A16
A17
A19
A21
A22
A23
B11
B12
B13
B21
B23
G101 (right front of engine)
J/c c101 (right side of engine compt)
J/c c103 (middle rear of engine compt)
J/c c104 (middle rear of engine compt)
N r
Pnk
Red
Starting/charging system
Tan
Transmission range switch (on transmission housing)
Transmissions system

3.5L, Engine Performance Wiring Diagram (6 of 7) for Honda Ridgeline RT 2012

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List of elements for 3.5L, Engine Performance Wiring Diagram (6 of 7) for Honda Ridgeline RT 2012:

(middle rear of engine compt) j/c c104
(on left exhaust manifold) front secondary ho2s (b2, s2)
(on right exhaust manifold) rear secondary ho2s (b1, s2)
(rear of left intake manifold) front a/f sensor (b2, s1)
(rear of right intake manifold) rear a/f sensor (b1, s1)
C251
Ect sensor 1 (at rear of engine, on top of water passage)
Ect sensor 2
Egr valve & egr valve position sensor (left rear of engine)
G101 (right front of engine)
Input shaft (main shaft) speed sensor (on transmission housing)
J/c c103 (middle rear of engine compt)
Pnk
Red
Rocker arm oil control solenoid (front of right cylinder bank)
Tan

3.5L, Engine Performance Wiring Diagram (7 of 7) for Honda Ridgeline RT 2012

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List of elements for 3.5L, Engine Performance Wiring Diagram (7 of 7) for Honda Ridgeline RT 2012:

(rear of engine) j/c c105
(top of left cylinder bank)
(top of right cylinder bank)
2nd clutch transmission fluid pressure switch a (on transmission housing)
3rd clutch transmission fluid pressure switch b (on transmission housing)
4th clutch transmission fluid pressure switch (on transmission housing)
Afshtc b1
Afshtc b2
Air conditioning system
Altc
Altf
Altl
Atft
Atp-1
Atp-2
Atp-d
Atp-fwd
Atp-n
Atp-r
Atp-rvs
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49
C10
C11
C12
C13
C14
C15
C152
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
C43
C44
C45
C46
C47
C48
C49
Ckpa
Cmp
Ect1
Egr
Egrp
Etcsm+
Etcsm-
G101 (right front of engine)
Iat
Icm
Ig1
Ig1etcs
Ignition coils 1, 2 & 3
Ignition coils 4, 5 & 6
Igpls1
Igpls2
Imt (+)
Imt (-)
Ip b1
Ip b2
J/c c103 (middle rear of engine compt)
J/c c104 (middle rear of engine compt)
Knock sensor (top center of engine)
Lg1
Lg2
Lsa
Map
Oil pressure switch (right front of engine)
Op2sw
Op3sw
Op4sw
Opsw
Pcs
Pdsw
Pg1
Pgmetcs
Pnk
Powertrain control module (pcm) (right side of engine compt)
Red
Sg1
Sg2
Sg5
Sg6
Sha
Shb
Shc
Shd
So2sg b1
So2sg b2
So2shtc b1
So2shtc b2
Starting/ charging system
Tan
Tpsb
Vcc1
Vcc2
Vcc6
Vts

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Backup Lamps Wiring Diagram for Honda Ridgeline RT 2012:

(atp-r)
(left side of cargo area) g601
(middle rear of
(right front of engine) g101
(right side of cargo area) g602
A14
A15
Atp-r
Automatic dimming inside mirror
Automatic dimming inside mirror (option connector)
B15
Back lt
C204
C25
C401
C402
C510
Engine compt)
Fuse 21 7.5a
Gauge control module (behind instrument panel)
Hot in on or start
Ig1
J/c c101
J/c c103
Left backup light
Left taillight assembly
Micu
Navigation unit (usa: rtl & canada: touring) (under driver's seat)
P20
Powertrain control module (pcm) (right side of engine compt)
Q10
Right backup light
Right taillight assembly
Trailer lighting control unit (behind instrument cluster)
Transmission range switch (on transmission housing)
Under-dash fuse/relay box (at left kick panel)

Exterior Lamps & Trailer Connector Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012

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List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012:

+b haz
0) off 1) park 2) head
B-can
C509
C510
C601
Cargo area light relay (behind left side of dash)
Cargo lt rly
Combination light switch
Combination switch control unit
D11
D17
F10
F12
Fuse 1 7.5a
Fuse 21 7.5a
Fuse 30 10a
Fuse 7 7.5a
G401 (left kick panel)
G403 (left kick panel)
G501 (under center console)
G601 (left side of cargo area)
G602 (right side of cargo area)
Gnd
Haz sw
Hazard warning switch light
Hazard warning switch/front passenger's air bag cut-off indicator
Headlight switch
Hot at all times
Hot in on
Hot in on or start
Ig1
In-bed trunk lid actuator/ latch switch (in-bed trunk lid)
In-bed trunk lid latch switch
Interior lights system
L turn
Left brake light/ taillight
Left license plate light
Left rear turn signal light
Left taillight assembly
Lt sw cargo p4
Micu
N17
N20
N26
N27
N31
N33
N42
N45
Not used
P22
P28
R turn
Red
Right brake light/ taillight
Right license plate light
Right rear turn signal light
Right taillight assembly
Sg-1
Stop sw
Sw tailgate q11
Sw trunk q7
Tailgate switch (right rear of cargo area)
Turn l
Turn r
Turn signal light switch
Turn signal/ hazard relay
Turn sw l
Turn sw r
Under-dash fuse/ relay box (at left kick panel)
Vbu
Wiper/washer switch
X23
X27
X34
X35

Exterior Lamps & Trailer Connector Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012

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List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012:

(left kick panel)
(right end of dash)
(right side of engine compt) powertrain control module (pcm)
1-side 2-turn
A10
Brake pedal position switch (at top of brake pedal arm)
C10
C15
C19
C203
C205
C401
C402
C510
Cargo area light switch
Cargo area lights on indicator
Condenser (brake light) (left side of dash)
Control block
D9 red
Fuse 13 20a
Fuse 16 15a
Fuse 4 15a
G201 (behind right headlight)
G202 (right rear of engine compt)
G301 (left front of engine compt)
G401
G401 (left kick panel)
G402
G551 (rear of roof)
G601 (left side of cargo area)
G602 (right side of cargo area)
Gauge control module (behind instrument cluster)
High mount brake light
Hot at all times
Interior lights system
Left cargo area light 1
Left cargo area light 2
Left front turn signal/ side marker light
Left turn signal indicator
Red
Relay control module
Right cargo area light 1
Right cargo area light 2
Right front turn signal/ side marker light
Right turn signal indicator
Taillight relay
Under-hood fuse/relay box (at right rear of engine compt)

Exterior Lamps & Trailer Connector Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012

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List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012:

(if equipped)
+batt
Auxiliary under-hood fuse box (left side of engine compt)
Backup lamps circuit
C302
C403
C406
C410
C509
C510
C604
Elec brake
Fuse 1 7.5a
Fuse 6 20a
Fuse 7 20a
Fuse 8 7.5a
Fuse 9 20a
G401 (left kick panel)
G601 (left side of cargo area)
Gnd
Hot at all times
Interior lights system
Red
Stop sw
Trailer electric brake
Trailer electric brake connector
Trailer electric brake connector (under left side of dash)
Trailer lighting connector (under right side of rear bumper)
Trailer lighting control unit (behind instrument cluster)
Trailer lighting relay 1 (left side of dash)
Trailer lighting relay 2 (left side of dash)
Usa: rt
Usa: rts, rtl & canada

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RT 2012

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List of elements for Ground Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RT 2012:

& rear secondary ho2s (b1, s2) shield
(rear of
A/c condenser fan motor
A/t clutch pressure solenoid valve a
A/t clutch pressure solenoid valve b
A/t clutch pressure solenoid valve c
Accessory)
Auxiliary under-hood relay box (left rear of engine compt)
B40
B41
Back-up sensor beeper switch (honda accessory)
Back-up sensor control unit (honda accessory)
Battery
Braided wire
C105
C41
Ckp sensor
Cmp sensor
Coil
Egr valve & egr valve position sensor
Engine)
Fan control relay
Front a/f sensor (b2, s1) shield & front secondary ho2s (b2, s2) shield
G1 (left front of engine compt)
G101 (right front of engine)
G2 (right front of engine compt)
G201 (behind right headlight)
G40
G61
Ignition
Ignition coil
J/c
J/c c103 (middle rear of engine compt)
J/c c104 (middle rear of engine compt)
Knock sensor shield
Left fog lamp (honda accessory)
Pcm
Rear a/f sensor (b1, s1)
Right fog lamp (honda accessory)
Right front turn signal/ side marker light
Right headlight
Right side engine mount
Rocker arm oil pressure switch
Security control unit (honda
Security hood switch (usa: rts, rtl, canada: touring)
Security indicator (honda accessory)
Trans- mission range switch
Transmission housing
Washer fluid level switch
Windshield washer motor

Ground Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RT 2012

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List of elements for Ground Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RT 2012:

(usa: rtl, canada: touring) front passenger's seat heater switch
(usa: rtl, canada: touring) navigation display unit
(usa: sport,rtl; canada: sport, vp, touring) left fog light
(usa: sport,rtl; canada: sport, vp, touring) right fog light
A/c pressure switch
A10
A28
A29
Block
Blower motor relay
Blower power transistor
Brake fluid level switch
C10
C207
C406
C407
C408
Canada)
Cigarette lighter (honda accessory)
Control
Dlc
Driver's accessory power socket
Driver's seat heater switch
E14
Eld unit
Except honda accessory
Front passenger's accessory power socket
Front passenger's door lock knob switch (usa: rts, rtl, canada: touring)
Front passenger's power window switch/ door lock switch
G202 (right rear of engine compt)
G301 (left front of engine compt)
G302 (left front of engine compt)
G402 (right end of dash)
G403 (left kick panel)
G405 (under middle of dash)
Gauge control module
Glove box light
Handsfree link control unit (navigation: usa rtl, canada: touring)
Heated windshield wiper area defogger
Interior light switch
J10
Left drl
Left front turn signal/ side marker light
Left headlight
Micu
Psp switch
Relay control module
Right power mirror (usa: rtl&
Seat heater relay (usa: rtl, canada: touring)
Select/ reset switch
Sg-1
Srs unit
Steering angle sensor
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
Usa: rtl, canada: touring
Vsa modulator- control unit
Washer motor relay
Windshield wiper motor
Yaw rate- lateral acceleration sensor

Ground Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RT 2012

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List of elements for Ground Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RT 2012:

(except honda accessory) vsa off switch
(honda accessory) fug light switch
(honda accessory) vsa off switch
(not used)
(option connector) automatic dimming inside mirror
(usa: rt, sport; canada: dx, vp, sport) climate control unit
(usa: rt, sport; canada: dx, vp, sport) hvac control unit
(usa: rtl, sport; canada: vp, sport, touring) fog light switch
(usa: rtl;
(usa: rtl; canada: touring) moonroof switch
A10
A12
Audio unit
Audio unit connector
Brake light noise condenser
C401
C409
C453
Cable reel (top of steering column)
Canada:
Cargo area light switch
D3 switch
D3 switch/shift lock solenoid/ park pin switch
Door multiplex control unit
Driver's door key cylinder switch
Driver's door lock knob switch
Driver's power window motor
Driver's vanity mirror light
Dvd player unit (honda accessory& rear entertainment)
Electrical compass unit (usa: rtl; canada: vp, sport, touring)
Front accessory power socket relay
Front passenger's vanity mirror light
Fuel tank unit
G401 (left kick panel)
G404 (right center of dash)
G502 (left rear of cabin)
G551 (rear of roof)
Gauge control module
High mount brake light
Horn switch
Ignition key switch/ key light
Moonroof close relay
Moonroof open relay
N17
N18
N42
Park pin switch
Power window master switch
Rear accessory power socket relay
Roof console
Sgnd
Steering
Touring)
Tpms control unit
Trailer electric brake connector
Trailer lighting control unit
Trailer lighting relay 1
Trailer lighting relay 2
Under-dash fuse/relay box (at left kick panel)
Vsa off switch conntector
W/o navigation
Wheel
Wiper/ washer switch

Ground Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RT 2012

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List of elements for Ground Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RT 2012:

(usa: rtl, canada: touring) ac inventer unit
(usa: rtl, canada: touring) navigaton unit
A10
A11
B12
Back power window switch
C453
C454
C502
C503
C504
C505
C506
C507
C511
C801
D12
Door multiplex control unit
Driver's lumbar support switch (usa: rts, rtl; canada: touring)
Driver's power seat adjustment switch (usa: rts, rtl; canada: touring)
Driver's seat back heater
Driver's seat belt buckle switch
Driver's seat heater
Driver's seat position sensor
Except usa: rtl, rts; canada: touring
Front passenger's seat belt buckle switch
Front passenger's seat cushion heater
Front passenger's seat heater
G501 (under center console)
Gnd
Left power mirror (usa: rtl; canada)
Left rear door lock knob switch
Left rear power window switch
Micu
Micu gnd
Micu service check connector
Ods unit
Pg1
Power mirror switch
Power window master switch
Rear accessory power socket
Right rear door lock knob switch
Right rear power window switch
Turn signal/ hazard relay
Under-dash fuse/relay box (at left kick panel)
Usa: rt, sport; canada: dx, vp, sport
Usa: rtl, canada: touring
Usa: rtl, rts; canada: touring
Usa: rtl; canada: touring
Usa: rts, rtl, canada: touring
Vtm-4 control unit
Xm receiver (except honda accessory)

Ground Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RT 2012

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List of elements for Ground Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RT 2012:

Back power window position switch
C601
C603
C604
G601 (left side of cargo area)
G602 (right side of cargo area)
In-bed trunk lid actuator/ latch switch
In-bed trunk lid handle switch
In-bed trunk lid key cylinder switch (usa: rts rtl, canada: touring)
Left backup light
Left brake light/ taillight
Left cargo area light 1
Left cargo area light 2
Left license plate light
Left rear turn signal light
Left taillight assembly
Rear differential
Right backup light
Right brake light/ taillight
Right cargo area light 1
Right cargo area light 2
Right license plate light
Right rear turn signal light
Right taillight assembly
Tailgate switch
Trailer lighting connector

HEADLIGHTS

Headlights Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Headlights Wiring Diagram for Honda Ridgeline RT 2012:

(left rear of engine compt) auxiliary under-hood relay box
(under center console) g501
120a
A20
Acces-
Accessory
B-can
Body controller area network transceiver
C17
C203
C204
C205
C206
C207
C302
Combination light switch
Combination switch control unit
Control block
D11
D14
Day lt
Dimmer switch
Drl ind
Drl relay (left side of dash)
Eld unit
F13
Fact-
Factory
Fog light relay
Fog light switch
Fog light switch light
Fog lights accessory
Fog lights factory fog lights
Fuse 10a
Fuse 20a
Fuse 7.5a
G201 (behind right headlight)
G202 (right rear of engine compt)
G301 (left front of engine compt)
G401 (left kick panel)
G403 (left kick panel)
Gauge control module
H10
H16
H17 (not used)
H18
Headlight switch
High
High beam headlight relay
Hot at all times
Hot in on or start
Ig1
Installed
Instrument cluster system
Interior lights system
J/c 208
J10
Left drl
Left fog light
Left headlight
Lo off
Low
Low beam headlight relay
Micu
Micu gnd
Multi fuse 22
N17
N28
N42
Off
On ind
Parking brake switch (top of parking brake pedal)
Pass
Red
Relay control module
Right drl
Right fog light
Right headlight
Sg-1
Sory
Tory inst- alled
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
Usa: sport, rtl; canada: vp, sport, touring;
Vbu
Warning drive circuit
Wiper/washer switch
X27
X34
X35

HORN

Horn Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Horn Wiring Diagram for Honda Ridgeline RT 2012:

(left kick panel) g401
C203
C204
Cable reel (top of steering column)
Control block
Cruise control combination switch
Fuse 13 20a
Horn (high) (behind center of front bumper)
Horn (low) (behind left end of front bumper)
Horn relay
Horn switch
Hot at all times
Red
Relay control module
Steering wheel
Under-hood fuse/relay box (at right rear of engine compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012:

(on right "c" pillar) right rear door switch
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Assembly)
B10
B11
B12
B13
B14
Back window open ind
Beeper
Body controller area network transceiver
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C402
C403
Cargo area lights on ind
Computer data lines system
Cruise control system
Drive circuit
Driver's door switch (on left "b" pillar)
Drswas
Drswdr
Drswra
Drswrd
E14
E15
Engine coolant temperature gauge
Exterior lights system
Fast controller area network transceiver
Front passenger's door switch (on right "b" pillar)
Fuel gauge
Fuel gauge sending unit
Fuel tank unit
Fuse 21 7.5a
Fuse 32 7.5a
Fuse 7 7.5a
G401 (left kick panel)
G402 (right end of dash)
Gauge control module (behind instrument cluster)
H12
H13
Headlights system
High beam ind
Hot at all times
Hot in acc or on
Hot in on or start
Interior lights system
Lcd back light
Lcd brightness control & dimming circuit
Left rear door switch (on left "c" pillar)
Left turn signal ind
Micu
Multi-information display (mid) unit
N36
Pointer brightness control & dimming circuit
Red
Right turn signal ind
Speedometer
Tachometer
To immobilizer system ind (diagram 2 of 2)
To srs ind (diagram 2 of 2)
Transmissions system
Under-dash fuse/relay box (at left kick panel)
Vsa off switch (top of brake pedal
Wiper/washer system
X34
X35

Instrument Cluster Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012:

A/t gear position indicator
A/t gear position/cruise
A/t temperature ind
A12
A13
A14
A20
A48
A49
Abs ind
B11
Back power window position switch (bottom left of rear window)
Brake fluid level switch (on brake fluid reservoir)
Brake system ind
C17
C18
C302
C401
C402
C404
C45
C509
Can-h
Can-l
Charging system ind
Circuit
Circuit drive
Computer data lines system
Control dimming circuit
Control ind
Cruise
Cruise main ind
Door & tailgate open ind
Drive circuit
Drl ind
Fail safe circuit
From pin a10 (diagram 1 of 2)
From pin a8 (diagram 1 of 2)
G301 (left front of engine compt)
G402 (right end of dash)
G601 (left side of cargo area)
Gauge control module (behind instrument cluster)
Immobilizer control unit receiver (in steering column, on ignition key cylinder)
Immobilizer system ind
In-bed trunk open ind
Information ind (w/ navgation)
Interior lights system
Lights on ind
Low fuel ind
Low oil pressure ind
Low tire pressure ind
Maintenance required ind
Mil ind
Next switch (navigation)
Oil pressure switch (right front of engine)
Opsw
Parking brake switch (top of parking brake pedal)
Powertrain control (pcm) module (right side of engine compt)
Red
Reset switch (w/o navigation) select/ reset switch (w/ navigation)
Roof console
Seat belt reminder ind
Security light ind
Select/ reset switch
Side air bag cut-off ind
Srs ind
Srs ind circuit
Tpms ind (w/o navgation)
Vsa off ind
Vsa system ind
Vtm-4 control unit (behind right kick panel)
Vtm-4 ind
Warning drive
Warning drive circuit
Washer fluid level ind

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Courtesy Lamps Wiring Diagram for Honda Ridgeline RT 2012:

(option connector)
C401
C408
C453
C505
C506
C507
Ceiling light
Console box light 1
Courtesy lt as
Courtesy lt dr
Courtesy lt lr
Courtesy lt rr
Door
Driver's door courtesy light
Driver's door switch (on left "b" pillar)
Driver's vanity mirror light
Drswas
Drswdr
Drswra
Drswrd
E14
E15
Except usa: rtl; canada: touring
Front individual map lights
Front passenger's door courtesy light
Front passenger's door switch (on right "b" pillar)
Front passenger's vanity mirror light
Fuse 6 10a
G401 (left kick panel)
G402 (right end of dash)
H12
H13
Hot at all times
Interior light switch
Intr lt
Left
Left rear door courtesy light
Left rear door switch (on left "c" pillar)
Micu
N15
Off
P30
Right
Right rear door courtesy light
Right rear door switch (on right "c" pillar)
Under-dash fuse/relay box (at left kick panel)
Usa: rtl; canada: touring

Entry Light Timer Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Entry Light Timer Wiring Diagram for Honda Ridgeline RT 2012:

(left kick panel) g403
(under center console) g501
Anti-theft system
B-can
C401
C406
C505
Ceiling light
Computer data lines system
Console box light 1
Door
Door lock knob
Door multiplex control unit
Driver's door key cylinder switch (in driver's door)
Driver's door lock knob switch (rear of driver's door)
Driver's door switch (on left "b" pillar)
Drswas
Drswdr
Drswra
Drswrd
E14
E15
Except usa: rtl; canada: touring
Front individual map lights
Front passenger's door switch (on right "b" pillar)
Fuse 6 10a
Fuse 7 7.5a
Fuse 7.5a
G401 (left kick panel)
Gnd
H12
H13
Hot at all times
Hot in on or start
Ig key lt
Ig key sw
Ig1
Ignition key light
Ignition key switch
Ignition key switch/ key light
Interior light switch
Intr lt
Key
Key lock
Key unlock
Keyless receiver antenna
Knob lock
Knob unlock
Left
Left rear door switch (on left "c" pillar)
Lock
Micu
Off
P13
Power window master switch
Right
Right rear door switch (on right "c" pillar)
Sg1
T1 (option connector)
Under-dash fuse/relay box (at left kick panel)
Unlock
Usa: rtl; canada: touring
X35

Instrument Illumination Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012

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List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012:

(left kick panel) g401
A10
A19
A20
B-can
C10
C20
C204
C453
Cancel switch
Combination light switch
Combination switch control unit
Control block
Controller
D11
Dash lights brightness controller
Fuse 15a
Fuse 21 7.5a
Fuse 7 7.5a
G202 (right rear of engine compt)
G401 (left kick panel)
G402 (right end of dash)
Gauge control module
H15
Headlight switch 0) off 1) park 2) head
Hot at all times
Hot in on or start
Ig1
J10
J13
J19
Micu
N17
N21
N28
N30
N31
N34
N37
N38
N42
N44
Power mirror switch
Red
Relay control module
Taillight relay
Transceiver area network body controller
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse relay box (at right rear of engine compt)
Vbu
Wiper/washer switch
X27
X28
X34
X35

Instrument Illumination Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012

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List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012:

(usa: rtl & canada: ex-l)
A11
A12
A13
Audio remote switch (w/ navigation)
Audio unit
C401
Cable reel (top of steering column)
Cargo area light switch
Climate control unit
Combination light switch
Console box light 2
Cruise control combination switch
Dash lights brightness controller
Driver's seat heater switch (usa: rtl & canada: ex-l)
Exterior lights system
Fog light switch (usa: rtl & canada: vp, ex-l)
Front passenger's seat heater switch (usa: rtl & canada: ex-l)
G401 (left kick panel)
G402 (right end of dash)
G501 (under center console)
Glove box light
Hazard warning switch/ front pass- enger's air bag cut-off indicator
Hfl-voice control switch (usa: rtl & canada: ex-l)
Hvac control unit
Interior light switch
Moon- roof switch (usa: rtl canada: ex-l)
Navi- gation display unit (usa: rtl & canada: ex-l)
Navigation unit (usa: rtl & canada: ex-l) (under driver's seat)
Red
Roof console
Select/ reset switch
Steering wheel
Trailer lighting relay 2 (left side of dash)
Usa: rt, sport; canada: dx, vp, sport
Usa: rt; canada: dx, vp
Usa: rtl, rts; canada: touring
Usa: rts, rtl; canada: ex-l
Usa: rts, rtl; canada: ex-l;
Vsa off switch
Vtm-4 lock switch

NAVIGATION

Compass Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Compass Wiring Diagram for Honda Ridgeline RT 2012:

Electrical compass unit (center front of roof)
Fuse 7.5a
G401 (left kick panel)
Hot at all times
Under-dash fuse/relay box (at left kick panel)

Hands Free Module Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Hands Free Module Wiring Diagram for Honda Ridgeline RT 2012:

(right end of dash) g402
Acc
Audio remote switch
Audio unit
B can
B10
B11
Back switch
C10
C11
C12
C13
C15
C401
C402
C405
C406
Cable reel (top of steering column)
Computer data lines system
Fuse 20a
Fuse 7.5a
Gnd
Handsfreelink control unit (under middle of dash)
Hfl comm 1
Hfl comm 2
Hfl comm 3
Hfl comm 4
Hfl comm sh
Hfl icon
Hfl mute
Hfl navi mic +
Hfl navigation microphone
Hfl strg sw
Hfl-voice control switch
Hot at all times
Hot in acc or on
Interior lights system
Mic out +
Mic out -
Mic out sh
Mic sh
Mic sig +
N11
N39
Navi comm
Navi comm 1
Navi comm 2
Navi comm 3
Navi comm 4
Navigation unit (under driver's seat)
Off hook switch
On hook switch
Pnk
Red
Remote sw gnd
Roof console
Steering wheel
Strg sw
Talk switch
Tel m sig sh
Telm sig +
Telm sig -
Telm sig sh
Under-dash fuse/relay box (at left kick panel)

Home Link Remote Control Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Home Link Remote Control Wiring Diagram for Honda Ridgeline RT 2012:

Fuse 10a
G401 (left kick panel)
Home link unit
Home- link ind
Hot at all times
Interior lights system
Roof console
Sw 1
Sw 2
Sw 3
Under-dash fuse/relay box (at left kick panel)

Navigation Wiring Diagram (1 of 4) for Honda Ridgeline RT 2012

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List of elements for Navigation Wiring Diagram (1 of 4) for Honda Ridgeline RT 2012:

(rear entertainment & honda accessory)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Ac-ck
Ac-si
Ac-so
Acc
Ampli- fier
Audio bus -
Audio bus sh
Audio bus(+)
B sig
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
Back lt
C sig
C10
C11
C12
C13
C14
C15
C16
C201
C402
C405
C406
Camera gnd
Camera sh
Camera v
Cd eject
Ceiling light
Ceiling light connector
Diag +
Diag -
Disp open
Dvd player unit
Ecu bus +
Ecu bus -
Ecu bus sh
Exterior lights system
Frequency modulator unit
Fuse 10a
G sig
G402 (right end of dash)
G501 (under center console)
Gnd
Gnd sig
Gps
Gps antenna (under middle of dash)
Gps antenna connector
Gps sh
Handsfree link control unit (under middle of dash)
Hfl comm 2
Hfl comm 3
Hfl comm 4
Hfl comm sh
Hfl comm1
Hfl navi mic
Hft strg sw
Hot at all times
I-ves/ monitor terminal connector
Ill +
Ill+
Ill-
Interior lights system
Left
Lt back
Mic sh
Mic sig +
Micu
Navi comm
Navi comm 1
Navi comm 2
Navi comm 3
Navi comm 4
Navigation display unit
Navigation system
Navigation unit (usa: rtl & canada: ex-l) (under driver's seat)
Nca
P27
Pnk
Q10
R sig
Rc vcc
Rd sw
Red
Rg gnd
Rg l +
Rg sh
Right
Scty
Scty2
Sg gnd
Shd gnd
Sig gnd
Sig sh
Strg sw
Term din
Under-dash fuse/relay box (at left kick panel)
Video monitor console
Vsp

Navigation Wiring Diagram (2 of 4) for Honda Ridgeline RT 2012

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List of elements for Navigation Wiring Diagram (2 of 4) for Honda Ridgeline RT 2012:

(right rear of cabin) xm receiver
+b ga-net
+b ga-net 2
A10
A11
A12
A13
A14
A15
A16
A17
A18
A30
Ac-ck
Ac-si
Ac-so
Aud bus +
Aud bus -
Aud bus sh
Aud bus+
Aud l (-)
Aud l +
Aud l+
Aud l-
Aud r (-)
Aud r +
Aud r+
Aud r-
Aud sh
Aud2 bus sh
Aud2 bus+
Aud2 bus-
Aud2 l +
Aud2 l+
Aud2 r (-)
Aud2 r+
Aud2 r-
Aud2 sh
Audio unit
B10
B11
B12
B13
B14
Bus sh
C404
Cd changer
Cd eject
Climate control unit
Disp open
Ecu bus (+)
Ecu bus (-)
Fuse 32 7.5a
Fuse 7 7.5a
G501 (under center console)
Ga net ill
Ga-net acc
Ga-net gnd
Ga-net ill
Ga-net2 acc
Ga-net2 gnd
Gnd
Hot at all times
Hot in acc or on
Ill+
Ill-
N36
N39
Nca
Pnk
Powertrain control (pcm) module (right side of engine compt)
Red
Sat/ter
Sat/ter sh
Scty in
Scty2
System acc
Under-dash fuse/relay box (at left kick panel)
Vssout
X35
Xm antenna

Navigation Wiring Diagram (3 of 4) for Honda Ridgeline RT 2012

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List of elements for Navigation Wiring Diagram (3 of 4) for Honda Ridgeline RT 2012:

(not used)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
Acc
Am/fm antenna
Am/fm antenna amplifier
Ant
Ant +b
Ant in
Audio unit
Audio unit connector
Audio unit connector d
Aux det
Aux gnd
C10
C11
C12
C13
C14
C403
C404
C409
C506
C507
Computer data lines system
Connector
Fm modu- lator (honda acce- ssory)
Fr l spkr+
Fr l spkr-
Fr r spkr+
Fr r spkr-
Fuse 5 20a
G404 (right center of dash)
Gnd
Hfl icon
Hfl mute
Hot at all times
Ill (+)
Ill (-)
Interior lights system
J/c c452 (middle of dash)
K-line
K10
L ch
Left rear door speaker
N11
N23
N24
Navigation system
Nca
R ch
Red
Remote control
Remote gnd
Rg gnd
Rg l +
Right rear door speaker
Rr l spkr -
Rr l spkr+
Rr r spkr+
Rr r spkr-
Rr woofer+
Rr woofer-
S gnd
Scty
Shd gnd
Shield (am/fm)
Sig
Subwoofer (w/ honda accessory usa: rts) (w/o honda accessory usa: rts, rtl & canada: touring)
Telm sh
Telm sig+
Telm sig-
Under-dash fuse/relay box (at left kick panel)
W/ honda accessory
W/o honda accessory

Navigation Wiring Diagram (4 of 4) for Honda Ridgeline RT 2012

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List of elements for Navigation Wiring Diagram (4 of 4) for Honda Ridgeline RT 2012:

Audio remote switch (w/ honda accessory usa: sport, rts; canada: sport) (w/o honda accessory usa: sport, rts, rti; canada: sport, tourng)
Aux det
Aux gnd
Aux l ch
Aux r ch
Auxiliary jack assembly
B10
B11
B12
Back switch
C10
C11
C12
C405
C408
C453
Cable reel (top of steering column)
Channel down switch
Channel up switch
Driver's door speaker
Front passenger's door speaker
Hfl-voice control switch
Interior lights system
Left tweeter
Mode switch
Off hook switch
On hook switch
Red
Right tweeter
S gnd
Steering wheel
Talk switch
Volume down switch
Volume up switch

Parking Assistant Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Parking Assistant Wiring Diagram for Honda Ridgeline RT 2012:

A14
Atp- r
B15
Back lt
Backup sensor beeper assembly
Backup sensor beeper switch
Backup sensor control unit
Backup sensor in-line fuse
Backup sensor tailgate switch
C204
C509
Exterior lights system
Fuse 7.5a
G101 (right front of engine)
G40
Hot in on or start
Ig1
J/c c101 (right side of engine compt)
J/c c103 (middle rear of engine compt)
Left corner backup sensor
Left middle backup sensor
Micu
On indicator
P20
Q10
Red
Right corner backup sensor
Right middle backup sensor
Transmission range switch (on transmission housing)
Transmissions system
Under-dash fuse/relay box (at left kick panel)

Rear Camera Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Rear Camera Wiring Diagram for Honda Ridgeline RT 2012:

C509
C605
Camera adpt
Camera gnd
Camera sh
Camera sh rearview camera
Camera v
Camera vcc
Fuse 7.5a
G501 (under center console)
Gnd
Hot at all times
Navigation unit (under driver's seat)
Rc vcc
Red
Under-dash fuse/relay box (at left kick panel)
Video

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RT 2012

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List of elements for Power Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RT 2012:

(at right rear of engine compt) under-hood fuse/relay box
(not used)
120a
40a
A/c compressor clutch relay
A/c condenser fan relay
A31
Alternator
Auxiliary under- dash fuse holder 1 (left end of dash)
Auxiliary under-hood relay box (left rear of engine compt)
Battery
C102
C302
C401
C410 (trailer electric brake connector)
Cigarette lighter (honda accessory)
Driver's accessory power socket
Eld unit
Etcs control
From fuse 32 (diagram 5 of 5)
From under- dash fuse/ d
From under- dash fuse/ relay box (diagram 5 of 5)
Front accessory power socket relay (left side of dash)
Front passenger's accessory power socket
Fuse 15a
Fuse 20a
Fuse 30a
Fuse 40a
Fuse 7.5a
G1 (left front of engine compt)
G202 (right rear of engine compt)
G401 (left kick panel)
G402 (right end of dash)
Moonroof close relay (usa: rtl; canada: touring)
Moonroof open relay (usa: rtl; canada: touring)
Multi- fuse 22
Pcm
Radiator fan relay
Relay
Relay box (diagram 4 of 5)
Seat heater relay (usa: rtl, canada: touring)
Starter
Starter solenoid
Starting/ charging system
Sts fuse 7.5a
T101
T102
T2 s
To under- dash fuse/ relay box (diagram 2 of 5)
To under- hood fuse/ relay box (diagram 2 of 5)
To under- hood fuse/ relay box (diagram 3 of 5)
To under-hood fuse/relay box fuse 16 (diagram 2 of 5)
Tpms control unit
Trailer lighting control unit
Trailer lighting relay 1
Trailer lighting relay 2
Transmission
Vsa modulator control unit
Vtm-4 relay

Power Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RT 2012

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List of elements for Power Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RT 2012:

(at left kick panel) under-dash fuse/relay box
(at right rear of engine compt) under-hood fuse/relay box
(not
(not used)
(usa: rts, rtl & canada: touring)
+b hazard
A/f sensor relay
Ac inverter unit (usa: rtl; canada: touring)
Auxiliary under-hood relay box (left rear of engine compt)
Brake pedal position switch
C201
C203
C204
C205
C206
C302
C503
Cargo area light relay
Control block
D14
D17
Day lt
Driver's lumbar support switch
Driver's power seat adjustment switch
Drl relay
F11
F13
Fog light relay (usa: sport, rtl & canada: vp, sport, touring)
Fog light switch (usa: sport, rtl & canada: vp, sport, touring)
From under- hood fuse/ c
From under- hood fuse/ g
From under-hood fuse/relay box (diagram 1 of 5)
Fuse (not used)
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 40a
Fuse 7.5a
H14
H15
H16
H17
H18
Hazard warning switch/front passenger's air bag cut-off indicator
High beam headlight relay
Horn relay
Ignition coil relay
Interior lights system
Left headlight
Low beam headlight relay
Micu
N40
N45
Pcm
Red
Relay box (diagram 1 of 5)
Relay control module
Right headlight
Taillight relay
To under-dash fuse/relay box (diagram 3 of 5)
Turn signal/ hazard relay
Usa: rt, rts & canada: dx
Used)
Wiper/washer switch
X12
X23
X26

Power Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RT 2012

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List of elements for Power Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RT 2012:

(at left kick panel) under-dash fuse/relay box
(at right rear of engine compt) under-hood fuse/relay box
(not used)
(usa: rtl, canada: touring) xm receiver
+b door lock
20a
50a
60a
A/c diode assembly
A/f sensor relay
A19
A24
Audio unit
Auxiliary under-hood relay box (left rear of engine compt)
Blower motor relay
C402
C453
C454
C505
C506
C507
Canada: touring
Ceiling light
Combination switch control unit
Console box light 1
Control block
D10
D12
D16
Dlc
Driver's door courtesy light
Driver's vanity mirror light
Engine controls system
Except usa: rtl &
F13
Fog light relay (usa: sport, rtl & canada: vp, sport & touring)
From under- dash fuse/ relay box (diagram 2 of 5)
From under- hood fuse/ e
From under- hood fuse/ f
Front individual map lights
Front passenger's door courtesy light
Front passenger's vanity mirror light
Fuse
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 40a
Fuse 7.5a
G401 (left kick panel)
G501 (under center console)
Gauge control module
Handsfree link control unit (navigation: usa: rtl, canada: touring)
Heated windshield
Ignition key switch/key light
Immobilizer control unit- receiver
Imoes unit
Left rear door courtesy light
Micu
Multi- fuse 23
N10
N11
N15
N42
Navigation display unit (usa: rtl, canada: touring)
Navigation unit (usa: rtl, canada: touring)
Pgm-fi main relay 1
Power window master switch
Radiator fan relay
Rear accessory power socket
Rear accessory power socket relay
Relay box (diagram 1 of 5)
Relay control module
Right rear door courtesy light
Roof console
To fuse 32 (diagram 5 of 5)
To under- dash fuse/ relay box (diagram 4 of 5)
To under- dash fuse/ relay box (diagram 5 of 5)
Usa: rtl & canada: touring
Vbu
Wiper area relay
Wiper/washer switch
X22
X35

Power Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RT 2012

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List of elements for Power Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RT 2012:

(at left kick panel) under-dash fuse/relay box
(at right rear of engine compt) under-hood fuse/relay box
(not used)
A/c compressor clutch relay
A20
Alternator
B13
B20
Back power window switch
Blower motor relay
Brake pedal position switch
C13
C204
C403
C408
C454
C502
C506
C507
Cable reel (top of steering column)
Combination switch control unit
Control block
Cruise control combination switch
D3 switch/shift lock solenoid/park pin switch
Dash lights brightness controller
E16
Evap canister purge valve
Fr def sw
From under- dash fuse/ relay box (diagram 4 of 5)
From under- dash fuse/ relay box (diagram 5 of 5)
From under- hood fuse/ relay box (diagram 3 of 5)
Front passenger's power window switch/door lock switch
Fuse (not used)
Fuse 15a
Fuse 20a
Fuse 7.5a
Gauge control module
H11
Heated windshield wiper area relay
Ig1
Intermittent wiper relay
J/c c101 (right side of engine compt)
J/c c105 (rear of engine)
Left rear power window switch
Micu
N12
N29
P23
Pcm
Power window master switch
Power window relay
Relay control module
Right rear power window switch
Seat heater relay (usa: rtl & canada: touring)
Shift lock solenoid
Steering wheel
Tan
To under- dash fuse/ relay box (diagram 5 of 5)
To under- hood fuse/ relay box (diagram 1 of 5)
To under- hood fuse/ relay box (diagram 4 of 5)
Vtm-4 control unit
Vtm-4 relay
Washer motor relay
Windshield wiper motor
Wiper/washer switch
X14
X24
X34
X37
X39

Power Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RT 2012

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List of elements for Power Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RT 2012:

(diagram 4 of 5)
(not
(not used)
(w/ navigation, usa: rtl, canada: touring)
A/c diode assembly
A14
A18
A26
A27
Ac inverter unit (usa: rtl; canada: touring)
Acc
Audio unit
Automatic inside dimming mirror (option connector)
Auxiliary under-hood relay box (left rear of engine compt)
B42
C204
C205
C302
C402
C406
C408
C504
Climate control unit (usa: rts, rtl & canada: touring)
Combination light switch
Electrical compass unit (usa: rtl w/o navigation, canada: vp, sport, touring & w/o navigation)
Fan control relay
From rear accessory power socket relay (diagram 3 of 5)
From under- dash fuse/ relay box (diagram 4 of 5)
From under- hood fuse/ relay box (diagram 3 of 5)
Front passenger's power window switch/door lock switch
Fuse 10a
Fuse 15a
Fuse 30a
Fuse 7.5a
Fuse 7.5a (honda accessory)
Gauge control module
Hands- free link control unit
Hazard warning switch/front passenger's air bag cut-off indicator
Hvac control unit (usa: rt, sport & canada: dx, sport & vp)
Ignition key switch/key light
Ignition switch
Immobilizer control unit- receiver
Imoes unit
J/c c101 (right side of engine compt)
Lock
N20
N36
N38
N39
N41
N44
Navigation display unit
Navigation unit
Ods unit
Pcm
Pgm-f1 main relay 2
Power mirror switch
Radiator fan relay
Recir- culation control motor
Security control unit
Srs unit
Start
Starter cut relay
Steering angle sensor
To front accessory power socket relay (diagram 1 of 5)
To starter solenoid (in starter) (diagram 1 of 5)
To under- dash fuse/ relay box
To under- hood fuse/ relay box (diagram 4 of 5)
Tpms control unit
Trailer lighting relay 1
Transmission range switch
Under- dash fuse/ relay box (at left kick panel)
Under-dash fuse/relay box (at left kick panel)
Usa: rtl & canada
Used)
Vsa modulator control unit
Vtm-4 lock switch
W/ rtl
X16
X17
X20
X33
X38
Yaw rate- lateral accele- ration sensor

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012

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List of elements for Power Door Locks Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012:

(not used)
(usa: rts, rtl canada: touring)
20a
7.5a
A19
Anti-theft system
As unlock
B-can
Body controller area network transceiver
C10
C408
C453
C454
D11
Door lock switch
Dr unlock
Driver's door switch (on left "b" pillar)
Drswas
Drswdr
Drswra
Drswrd
E10
E14
E15
Front passenger's door lock knob switch (usa: rts, rtl canada: touring) (rear of passenger's door)
Front passenger's door switch (on right "b" pillar)
Front passenger's power window switch/door lock switch
Fuse 21
Fuse 33
Fuse 7
Fuse 8
G401 (left kick panel)
G402 (right end of dash)
G403 (left kick panel)
G501 (under center console)
Gauge control module
H10
H12
H13
Hot at all times
Hot in on or start
Ig1
Ignition key switch
Ignition key switch/key light
K11
K12
Left rear door switch (on left "c" pillar)
Lock
Micu
Micu gnd
N28
N38
N44
P1 sg-1
P13 ig key sw
P25 rem as lock
P27 scty in
P29 sil as unlock
P9 rem as unlock
Q11 tailgate sw
Q12 trunk handle sw
Q2 sil ra unlock
Q3 sil rd unlock
Q4 trunk unlock
Right rear door switch (on right "c" pillar)
Trunk act
Trunk sw
Under-dash fuse/relay box (at left kick panel)
Unlock
Vbu
X34
X35

Power Door Locks Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012

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List of elements for Power Door Locks Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012:

(in driver's door) driver's door key cylinder switch
(rear of driver's door) driver's door lock knob switch
(usa: rts, rtl canada: touring)
15a
20a
7.5a
A18
Audio unit
C203
C454
C506
C507
Cd changer
Control block
Door lock switch
Door multiplex control unit
Fuse 13
Fuse 4
Fuse 7
G201 (behind right headlight)
G401 (left kick panel)
G501 (under center console)
H14
H15
High horn (behind center of front bumper)
Horn relay
Horns system
Hot at all times
Ign
Interior lights system
Key lock
Key unlock
Keyless entry transmitter
Knob lock
Knob unlock
Left rear door lock knob switch (usa: rts, rtl canada: touring) (rear of left rear door)
Lock
Low horn (behind left end of front bumper)
Pg1
Power window master switch
Relay control module
Right rear door lock actuator (rear of right rear door)
Right rear door lock knob switch (usa: rts, rtl canada: touring) (rear of right rear door)
Security hood switch (usa: rts, rtl canada: touring) (center front of engine compt)
Sgnd
Taillight relay
Under-hood fuse/relay box (at right rear of engine compt)
Unlock
Vbu
W/ navigation
W/o navigation

Power Door Locks Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012

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List of elements for Power Door Locks Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012:

(usa: rts, rtl canada: touring)
Actuator
C403
C408
C453
C506
C509
C510
C601
Driver's door lock actuator (at rear of driver's door)
Front passenger's door lock actuator (at rear of front passenger's door)
G51
G601 (left side of cargo area)
G602 (right side of cargo area)
In-bed trunk lid actuator/ latch switch (in-bed trunk lid)
In-bed trunk lid handle switch (in-bed trunk lid)
In-bed trunk lid key cylinder switch (usa: rts, rtl canada: touring) (in-bed trunk lid)
In-bed trunk lid main switch
Left rear door lock actuator (rear of left rear door)
Mic
Microphone
Nca
Security control unit
Security indicator
Switch
Tailgate switch (right rear of cargo area)

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Automatic Day/Night Mirror Wiring Diagram for Honda Ridgeline RT 2012:

(has built-in control unit)
7.5a
A14
Atp-r
Automatic dimming inside mirror
Automatic dimming inside mirror (option connector)
B15
Back lt
C204
C401
C402
Exterior lights & navigation systems
Fuse 21
Fuse 7.5a
G101 (right front of engine)
G401 (left kick panel)
Hot in on or start
Ig1
J/c c101
J/c c103 (middle rear of engine compt)
Micu
P20
Q10
Transmission range switch (on transmission housing)
Transmissions system
Under-dash fuse/relay box (at left kick panel)

Power Mirrors Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Power Mirrors Wiring Diagram for Honda Ridgeline RT 2012:

(under center console)
C408
C453
Canada
Defogger
Down
Fuse 30 10a
G402 (right end of dash)
G501
Hot in on
Interior lights system
J10
J11
J12
J21
Left
Left power mirror
Left/right motor
Left/right switch
Mirror defogger switch (usa: rtl & canada)
Mirror selection switch
Off
Power mirror switch
Red
Right
Right power mirror
Under-dash fuse/relay box (at left kick panel)
Up/down motor
Up/down switch
Usa: rtl &
X21

POWER SEATS

Heated Seats Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Heated Seats Wiring Diagram for Honda Ridgeline RT 2012:

Back heater
C205
C402
C404
C503
C504
Circuit breaker
Cushion
Cushion heater
Driver's seat heater
Driver's seat heater switch
E14
F14
Front passenger's seat heater
Front passenger's seat heater switch
Fuse 11 15a
Fuse 30 10a
G202 (right rear of engine compt)
G402 (right end of dash)
G501 (under center console)
High
Hot at all times
Hot in on
Interior lights system
Low
On indicators
Red
Seat heater relay
Seat heater switch light
Thermostat
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compartment)

Power Seat Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Power Seat Wiring Diagram for Honda Ridgeline RT 2012:

Backward
C503
Down
Driver's lumbar support motor (in driver's seat back)
Driver's lumbar support switch
Driver's power seat adjustment switch
Driver's power seat front up- down motor (under driver's seat)
Driver's power seat rear up- down motor (in driver's seat)
Driver's power seat recline motor (in driver's seat back)
Driver's power seat slide motor (under driver's seat)
F11
F13
Forward
Fuse 13 10a
Fuse 14 20a
Fuse 16 20a
G501 (under center console)
Hot at all times
Red
Under-dash fuse/relay box (at left kick panel)
X26 (not used)

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Power Top/Sunroof Wiring Diagram for Honda Ridgeline RT 2012:

(rear of roof)
(rear of roof) moonroof close relay
Auxiliary under-hood fuse box (left side of engine compt)
C302
C401
Close
Driver's door switch (on left "b" pillar)
Drswas
Drswdr
E15
Front passenger's door switch (on right "b" pillar)
Fuse 11 20a
Fuse 21 7.5a
Fuse 7 7.5a
G401 (left kick panel)
G501 (under center console)
H12
Hot at all times
Hot in on or start
Ig1
Interior lights system
Key off timer
Micu
Moonroof limit switch (rear of roof)
Moonroof motor (rear of roof)
Moonroof open relay
Moonroof switch
Moonroof switch lights
Open
P12
Red
Tilt
Tilt & close
Under-dash fuse/ relay box (at left kick panel)
Vbu

POWER WINDOWS

Power Windows Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012

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List of elements for Power Windows Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012:

(in driver's door)
Auto
B-can
C403
C453
C454
C502
Door multiplex control unit
Down
Dr down
Dr up
Driver's door key cylinder switch 1) unlock 2) lock (in driver's door)
Driver's power window motor
Driver's switch 0) off 1) up 2) down 3) auto down 5) auto up
Driver's switch light
E11
Fp down
Fp up
Front passenger's switch
Front passenger's switch light
Fuse 20a
Fuse 21 7.5a
Fuse 24 20a
Fuse 25 20a
Fuse 26 20a
Fuse 27 20a
Fuse 7 7.5a
G401 (left kick panel)
G501 (under center console)
H11
Hot at all times
Hot in on or start
Ig1
J15
J16
J18
Key
Keyless receiver antenna
Left rear switch
Left rear switch light
Lock
Lr down
Lr up
Main switch
Micu
N12
N19
N42
Off
Pg1
Pls a
Pls b
Power window master switch
Power window relay
Pulser
Right rear switch
Right rear switch light
Rr down
Rr up
Sgnd
Svcc
Under-dash fuse/relay box (at left kick panel)
Unlock
Vbu
X14
X35

Power Windows Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012

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List of elements for Power Windows Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012:

C408
C506
C507
Down
Front passenger's power window motor
Front passenger's power window switch/ door lock switch
G402 (right end of dash )
G501 (under center console)
Left rear power window motor
Left rear power window switch
Off
Red
Right rear power window motor
Right rear power window switch

Power Windows Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012

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List of elements for Power Windows Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012:

A19
Back power window motor (right rear of cabin)
Back power window position switch (bottom left of rear window)
Back power window switch
Back window open indicator
C10
C402
C454
C502
C509
Close
G402 (right end of dash)
G501 (under center console)
G601 (left side of cargo area)
Gauge control module
Gauges & indicators
Off
Open

RADIO

Radio Wiring Diagram, with Navigation (1 of 4) for Honda Ridgeline RT 2012

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List of elements for Radio Wiring Diagram, with Navigation (1 of 4) for Honda Ridgeline RT 2012:

(rear entertainment & honda accessory)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
Ac-ck
Ac-si
Ac-so
Acc
Ampli- fier
Audio bus -
Audio bus sh
Audio bus(+)
B sig
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
Back lt
C sig
C10
C11
C12
C13
C14
C15
C16
C201
C402
C405
C406
Camera gnd
Camera sh
Camera v
Cd eject
Ceiling light
Ceiling light connector
Diag +
Diag -
Disp open
Dvd player unit
Ecu bus +
Ecu bus -
Ecu bus sh
Exterior lights system
Frequency modulator unit
Fuse 10a
G sig
G402 (right end of dash)
G501 (under center console)
Gnd
Gnd sig
Gps
Gps antenna (under middle of dash)
Gps antenna connector
Gps sh
Handsfree link control unit (under middle of dash)
Hfl comm 2
Hfl comm 3
Hfl comm 4
Hfl comm sh
Hfl comm1
Hfl navi mic
Hft strg sw
Hot at all times
I-ves/ monitor terminal connector
Ill +
Ill+
Ill-
Interior lights system
Left
Lt back
Mic sh
Mic sig +
Micu
Navi comm
Navi comm 1
Navi comm 2
Navi comm 3
Navi comm 4
Navigation display unit
Navigation system
Navigation unit (usa: rtl & canada: ex-l) (under driver's seat)
Nca
P27
Pnk
Q10
R sig
Rc vcc
Rd sw
Red
Rg gnd
Rg l +
Rg sh
Right
Scty
Scty2
Sg gnd
Shd gnd
Sig gnd
Sig sh
Strg sw
Term din
Under-dash fuse/relay box (at left kick panel)
Video monitor console
Vsp

Radio Wiring Diagram, with Navigation (2 of 4) for Honda Ridgeline RT 2012

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List of elements for Radio Wiring Diagram, with Navigation (2 of 4) for Honda Ridgeline RT 2012:

(right rear of cabin) xm receiver
+b ga-net
+b ga-net 2
A10
A11
A12
A13
A14
A15
A16
A17
A18
A30
Ac-ck
Ac-si
Ac-so
Aud bus +
Aud bus -
Aud bus sh
Aud bus+
Aud l (-)
Aud l +
Aud l+
Aud l-
Aud r (-)
Aud r +
Aud r+
Aud r-
Aud sh
Aud2 bus sh
Aud2 bus+
Aud2 bus-
Aud2 l +
Aud2 l+
Aud2 r (-)
Aud2 r+
Aud2 r-
Aud2 sh
Audio unit
B10
B11
B12
B13
B14
Bus sh
C404
Cd changer
Cd eject
Climate control unit
Disp open
Ecu bus (+)
Ecu bus (-)
Fuse 32 7.5a
Fuse 7 7.5a
G501 (under center console)
Ga net ill
Ga-net acc
Ga-net gnd
Ga-net ill
Ga-net2 acc
Ga-net2 gnd
Gnd
Hot at all times
Hot in acc or on
Ill+
Ill-
N36
N39
Nca
Pnk
Powertrain control (pcm) module (right side of engine compt)
Red
Sat/ter
Sat/ter sh
Scty in
Scty2
System acc
Under-dash fuse/relay box (at left kick panel)
Vssout
X35
Xm antenna

Radio Wiring Diagram, with Navigation (3 of 4) for Honda Ridgeline RT 2012

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List of elements for Radio Wiring Diagram, with Navigation (3 of 4) for Honda Ridgeline RT 2012:

(not used)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
Acc
Am/fm antenna
Am/fm antenna amplifier
Ant
Ant +b
Ant in
Audio unit
Audio unit connector
Audio unit connector d
Aux det
Aux gnd
C10
C11
C12
C13
C14
C403
C404
C409
C506
C507
Computer data lines system
Connector
Fm modu- lator (honda acce- ssory)
Fr l spkr+
Fr l spkr-
Fr r spkr+
Fr r spkr-
Fuse 5 20a
G404 (right center of dash)
Gnd
Hfl icon
Hfl mute
Hot at all times
Ill (+)
Ill (-)
Interior lights system
J/c c452 (middle of dash)
K-line
K10
L ch
Left rear door speaker
N11
N23
N24
Navigation system
Nca
R ch
Red
Remote control
Remote gnd
Rg gnd
Rg l +
Right rear door speaker
Rr l spkr -
Rr l spkr+
Rr r spkr+
Rr r spkr-
Rr woofer+
Rr woofer-
S gnd
Scty
Shd gnd
Shield (am/fm)
Sig
Subwoofer (w/ honda accessory usa: rts) (w/o honda accessory usa: rts, rtl & canada: touring)
Telm sh
Telm sig+
Telm sig-
Under-dash fuse/relay box (at left kick panel)
W/ honda accessory
W/o honda accessory

Radio Wiring Diagram, with Navigation (4 of 4) for Honda Ridgeline RT 2012

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List of elements for Radio Wiring Diagram, with Navigation (4 of 4) for Honda Ridgeline RT 2012:

Audio remote switch (w/ honda accessory usa: sport, rts; canada: sport) (w/o honda accessory usa: sport, rts, rti; canada: sport, tourng)
Aux det
Aux gnd
Aux l ch
Aux r ch
Auxiliary jack assembly
B10
B11
B12
Back switch
C10
C11
C12
C405
C408
C453
Cable reel (top of steering column)
Channel down switch
Channel up switch
Driver's door speaker
Front passenger's door speaker
Hfl-voice control switch
Interior lights system
Left tweeter
Mode switch
Off hook switch
On hook switch
Red
Right tweeter
S gnd
Steering wheel
Talk switch
Volume down switch
Volume up switch

Radio Wiring Diagram, without Navigation (1 of 2) for Honda Ridgeline RT 2012

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List of elements for Radio Wiring Diagram, without Navigation (1 of 2) for Honda Ridgeline RT 2012:

(middle of dash)
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
Acc
Am/fm antenna
Am/fm antenna amplifier
Ant
Ant +b
Ant gnd
Ant in
Aud l (-)
Aud l+
Aud r (-)
Aud r+
Aud sh
Aud2 bus +
Aud2 bus -
Aud2 bus sh
Aud2 r-
Audio unit
Audio unit conncetor d
Audio unit connector
Aux det
Aux gnd
Aux l ch
Aux r ch
Auxiliary jack assembly (w/o honda accessory usa: sport, rts, rtl; canada: vp, sport, touring)
B10
B11
B12
B13
B14
Bus (+)
Bus (-)
Bus sh
C10
C11
C12
C13
C14
C404
C409
Computer data lines system
Fm modulator (honda accessory)
Fr l spkr (+)
Fr l spkr (-)
Fr r spkr (+)
Fr r spkr (-)
Fuse 32 7.5a
Fuse 5 20a
Fuse 7 7.5a
G404 (right center of dash)
G504
Gnd
Hfl icon
Hfl mute
Honda accessory
Hot at all times
Hot in acc or on
Ill (+)
Ill (-)
Interior lights system
J/c c452
K line
K10
L ch
Micu
N11
N23
N24
N36
Navigation system
Nca
P27
Pnk
R ch
Radio sw
Red
Remote control
Remote gnd
Rr l spkr (+)
Rr l spkr (-)
Rr r spkr (+)
Rr r spkr (-)
Rr woofer +
Rr woofer -
S gnd
Sat/ter
Sat/ter sh
Scty
Shd gnd
Shield (am/fm)
Sig
Sys acc
Telm shd
Telm sig +
Telm sig -
Under-dash fuse/relay box (at left kick panel)
X35
Xm antenna
Xm receiver (except honda accessory) (right rear of cabin)

Radio Wiring Diagram, without Navigation (2 of 2) for Honda Ridgeline RT 2012

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List of elements for Radio Wiring Diagram, without Navigation (2 of 2) for Honda Ridgeline RT 2012:

(not used)
(rear entertainment & honda accessory)
(w/ honda accessory usa: rts) (w/o honda accessory usa: rts, rtl; canada: touring) sub woofer
Audio remote switch (w/ honda accessory usa: sports, rts; canada: sport) (w/o honda accessory usa: sport, rts, rti; canada: sport, touring)
B11
B12
C11
C12
C403
C404
C408
C453
C506
C507
Cable reel (top of steering column)
Ceiling light
Ceiling light connector
Channel down switch
Channel up switch
Driver's door speaker
Dvd player unit
Frequency modulator unit
Front passenger's door speaker
Fuse 10a
Hot at all times
I-ves/monitor terminal connector
Interior lights system
Left
Left rear door speaker
Left tweeter
Mode switch
Red
Right
Right rear door speaker
Right tweeter
Steering wheel
Term din
Under-dash fuse/relay box (at left kick panel)
Video monitor console
Volume down switch
Volume up switch

XM Receiver Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for XM Receiver Wiring Diagram for Honda Ridgeline RT 2012:

+b (1)
+b (2)
A10
A11
A12
A13
A14
A24
Audio lch+
Audio lch-
Audio rch+
Audio rch-
Audio unit
B10
B11
B12
B13
B14
Bus +
Bus -
C409
Fuse 5 20a
G404 (right center of dash)
Gnd
Hot at all times
Ill +
N11
Nca
Parking gnd
Pnk
Red
Sat/ter
Sat/ter sh
Shield
Sys acc
Under-dash fuse/relay box (at left kick panel)
Xm antenna
Xm receiver (honda accessory) (right rear of cabin)

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Shift Interlock Wiring Diagram for Honda Ridgeline RT 2012:

(at left kick panel)
A16
A18
A19
A24
A25
A26
A27
Anti-theft system
App sensor (right rear of engine compt)
Aps1
Apsa
Atp-p
Bksw
Brake pedal position switch (at top of brake pedal arm)
C204
C205
D3 switch/shift lock solenoid/ park pin switch (shift lock solenoid: in steering column) (park pin switch: top left side of steering column)
Fuse 13 20a
Fuse 21 7.5a
Fuse 32 7.5a
G101 (right front of engine)
G401 (left kick panel)
Gauge control module
Hot at all times
Hot in acc or on
Hot in on or start
Ig key sw
Ignition key switch
Ignition key switch/key light
J/c c101
J/c c104 (middle of engine compt)
Key interlock solenoid
Key sol
Micu
N26
N36
P-pin
P13
P15
P16
Park pin switch
Powertrain control (pcm) module (right side of engine compt)
Red
Sg3
Sg4
Shift lock solenoid
Sls
Stop sw
Transmission range switch (on transmission housing)
Under-dash fuse/relay box
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
Vcc3
Vccb
X34

STARTING/CHARGING

Charging Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Charging Wiring Diagram for Honda Ridgeline RT 2012:

120a
A10
A19
A20
A48
A49
Alt c sig
Alt fr sig
Alt l sig
Alternator
B20
Battery
C42
C43
C44
Can h
Can l
Charging system indicator
Computer data lines system
Drive circuit
Eld in- put
Eld unit
Fast controller area network transceiver
Fuse 18 15a
Fuse 21 7.5a
Fuse 7 7.5a
G1 (left front of engine compt)
G202 (right rear of engine compt)
G401 (left kick panel)
Gauge control module
Hot at all times
Hot in on or start
J/c c101 (right side of engine compt)
J/c c105 (rear of engine)
J/c c451 (middle of dash)
Multi- fuse 22
Power distribution system
Powertrain control (pcm) module (right side of engine compt)
Red
Starting circuit
T101
Tan
Transmission
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
X34
X35

Starting Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Starting Wiring Diagram for Honda Ridgeline RT 2012:

120a
50a
A31
Acc
Auxiliary under-dash fuse holder 1 (left end of dash)
Battery
C102
C204
Eld unit
G1 (left front of engine compt)
G101 (right front of engine)
Ignition switch
J/c c101 (right side of engine compt)
J/c c103 (middle rear of engine compt)
Lock
Multi- fuse
Power distribution system
Powertrain control (pcm) module (right side of engine compt)
Start
Starter
Starter cut relay
Starter motor
Starter solenoid
Sts
Sts fuse 7.5a
Transmission
Transmission range switch (on transmission housing)
Under- hood fuse/ relay box (at right rear of engine compt)
Under-dash fuse/relay box (at left kick panel)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012

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List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Honda Ridgeline RT 2012:

A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
B10
B11
B12
B13
B14
B15
B16
B17
C402
C501
C503
C511
Cable reel (top of steering column)
Computer data lines system
Dlc input/ output
Driver's air bag first inflator
Driver's air bag second inflator
Driver's seat belt tensioner (base of left "b" pillar)
Driver's seat position sensor (under driver's seat)
Driver's side air bag inflator (outer edge of driver's seat back)
F-can+
F-can-
F14
Front passenger's seat belt tensioner (base of right "b" pillar)
Front passenger's side air bag inflator (behind right side of dash)
Fuse 10a
Fuse 7.5a
G405 (under middle of dash)
G501 (under center console)
Gnda
Gndb
H14
Hot in on or start
Ig input (va)
Ig input (vb)
La1+
La1-
La2+
La2-
Lca+
Lca-
Left side curtain air bag inflator (left rear of roof)
Lfs+
Lfs-
Lrp+
Lrp-
Lsa+
Lsa-
Micu
N41
Ods
Ptt
Ra2+
Ra2-
Red
Rfs+
Rfs-
Right side curtain air bag inflator (right rear of roof)
Rrp+
Rrp-
Rsa+
Rsa-
Seat belt sw
Srs unit (behind lower center of dash)
Steering wheel
Terminal has built-in short contact
Under-dash fuse/relay box (at left kick panel)
Usa: rt & canada: dx, vp
Usa: rts, rtl & canada: touring
X34

Supplemental Restraints Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012

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List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Honda Ridgeline RT 2012:

(behind left side of front bumper) left front impact sensor
(behind right side of dash) front passenger's air bag inflator
(behind right side of front bumper) right front impact sensor
(under left side of front passenger's seat) front passenger's weight sensor (inner side)
(under right side of front passenger's seat) front passenger's weight sensor (outer side)
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
Buck-
Buck- led
C202
C301
C503
C504
C508
Driver's seat belt buckle switch (in driver's seat belt buckle assembly)
Except usa: rt & canada: dx, vp
First
Front passenger's seat belt buckle switch (in front passenger's seat belt buckle assembly)
G501 (under center console)
Lbsc
Lbsd
Lbsi+
Lbsi-
Led
Left side impact sensor (1st) (at base of left "b" pillar)
Left side impact sensor (2nd) (near base of left "c" pillar)
Rbsc
Rbsd
Rbsi+
Rbsi-
Red
Right side impact sensor (1st) (at base of right "b" pillar)
Right side impact sensor (2nd) (near base of right "c" pillar)
Rsa+
Rsa-
Second
Srs unit (behind lower center of dash)
Ss+
Terminal has built-in short contact
Un-
Usa: rt; canada: dx,vp
Usa: rts, rtl & canada: touring

Supplemental Restraints Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012

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List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Honda Ridgeline RT 2012:

(left kick panel) g401
(under center console) g501
A10
A20
C504
C801
Computer data lines system
D10
D11
D12
D13
D14
D15
D16
Fast controller area network transceiver
Front passenger's air bag cut-off indicator
Gauge control module
Gnd
Hazard warning switch light
Hazard warning switch/ front passenger's air bag cut-off indicator
Interior lights system
Lower element (lower four sensors in seat back)
Nca
Ods
Ods unit (left side of front passenger's seat back)
Opds sensor
Os1l
Os1s
Os2l
Os2s
Os3l
Os3s
Os4l
Os4s
Os5l
Os5s
Os6l
Os6s
Os7l
Os7s
Pow
Red
Side air bag cut-off ind
Side element (right side of seat back)
Srs ind
Upper element (upper two sensors in seat back)
Warning drive circuit
Wsig
Wsip
Wsog
Wsop

TRANSMISSION

4WD Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for 4WD Wiring Diagram for Honda Ridgeline RT 2012:

(left side of engine compt) vsa modulator control unit
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A33
A48
A49
Auxiliary under-hood fuse box (left side of engine compt)
B10
B11
B12
C201
C203
C302
C404
C509
C510
C602
C603
Can h
Can l
Computer data lines system
Flp
Frp
Fsr
Fuse 15a
Fuse 20a
Fuse 7.5a
G501 (under center console)
G601 (left side of cargo area)
Gauge control module
Hot at all times
Hot in on or start
Ig1
Immobilizer control unit receiver (in steering column, on ignition key cylinder)
Instrument cluster system
Interior lights system
K-line
Lcoh
Lcol
Left side clutch electromagnetic coil
Lg1
Lg2
Lock l
Lock sw
N29
N38
N44
Nep
Parbrk
Parking brake switch (top of parking brake pedal)
Power distribution system
Powertrain control (pcm) module (right side of engine compt)
Pwr
Rcoh
Rcol
Rear differential
Rear differential fluid temperature sensor
Red
Right side clutch electromagnetic coil
Rlp
Rrp
Scs
Speed sensor outputs
Tch
Tcl
Under-dash fuse/relay box (at left kick panel)
Vtm-4 control unit (behind right kick panel)
Vtm-4 ind
Vtm-4 lock on ind
Vtm-4 lock switch
Vtm-4 lock switch light
Vtm-4 relay (behind left side of dash)
Warn 1
Warn 2
X34

A/T Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012

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List of elements for A/T Wiring Diagram (1 of 2) for Honda Ridgeline RT 2012:

(on throttle body assembly) manifold absolute pressure (map) sensor
A/t gear position indicator drive circuit
A/t gear position indicator/cruise control dimming circuit
A10
A14
A15
A16
A17
A18
A19
A22
A23
A24
A25
A26
A27
A32
A48
A49
Aps1
Aps2
Atft
Atp1
Atp2
Atpd
Atpfwd
Atpn
Atpp
Atpr
Atprvs
B1 red
B10
B15
B16
B21
B34
B35
B36
B37
B38
B42
B44
C12
C15
C151
C17
C18
C19
C20
C204
C205
C21
C25
C26
C27
C28
C33
C35
C37
C38
C46
Can h
Can l
Computer data lines system
D3sw
Fast controller area network transceiver
G101 (right front of engine)
Gauge control module
Ig1
Igp
J/c c101 (right side of engine compt)
J/c c103 (middle rear of engine compt)
J/c c105 (rear of engine)
Lsa
Lsb
Lsc
Map
Mrly bksw
Op2sw
Op3sw
Op4sw
Output shaft (countershaft) speed sensor (on transmission housing)
Pg2
Pnk
Powertrain control (pcm) module (right side of engine compt)
Red
Scs
Sg1
Sg3
Sg4
Sg6
Sha
Shb
Shc
Shd
Shift solenoid valve b (in trans- mission)
Shift solenoid valve c (in transmission)
Starting/ charging system
Tan
Transmission range switch (on transmission housing)
Vbsol
Vcc1
Vcc2
Vcc3
Vcc4
Warning drive circuit

A/T Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012

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List of elements for A/T Wiring Diagram (2 of 2) for Honda Ridgeline RT 2012:

(at top of brake pedal arm) brake pedal position switch
(on transmission housing)
2nd clutch transmission fluid pressure switch a (on transmission housing)
3rd clutch transmission fluid pressure switch b (on transmission housing)
4th clutch transmission fluid pressure switch (on transmission housing)
A/t clutch pressure control solenoid valve a
A/t clutch pressure control solenoid valve b (on transmission housing)
A/t clutch pressure control solenoid valve c (on transmission housing)
App sensor (right rear of engine compt)
Atf temperature sensor (on transmission housing)
Atpp
Atpr
B20
B21
B23
C151
C204
C205
D3 switch
D3 switch/shift lock solenoid/ park pin switch (park pin switch: top left side of steering column)
Fuse 15a
Fuse 20a
Fuse 7.5a
G101 (right front of engine)
G401 (left kick panel)
Hot at all times
Hot in on or start
Input shaft (mainshaft) speed sensor (on transmission housing)
J/c c101 (right side of engine compt)
J/c c103 (middle rear of engine compt)
J/c c105 (rear of engine)
Micu
P16
P20
Pgm-fi main relay 1
Pnk
Red
Shift solenoid valve a (in trans- mission)
Shift solenoid valve d (in trans- mission)
Tan
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compt)
X35
X38

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Trunk Release Wiring Diagram for Honda Ridgeline RT 2012:

B+ door lock
C403
C509
C510
C601
Fuse 21 7.5a
Fuse 7 7.5a
Fuse 8 20a
G601 (left side of cargo area)
G602 (right side of cargo area)
Hot at all times
Hot in on or start
Ig1
In-bed trunk lid actuator
In-bed trunk lid actuator/ latch switch
In-bed trunk lid handle switch (in-bed trunk lid)
In-bed trunk lid key cylinder switch (usa: rts, rtl; canada: touring) (in-bed trunk lid)
In-bed trunk lid latch switch
In-bed trunk lid main switch
Micu
Q11
Q12
Tailgate sw
Tailgate switch (right rear of cargo area)
Trunk act
Trunk handle sw
Trunk sw
Trunk unlock
Under- dash fuse/ relay box (at left kick panel)
Vbu

WARNING SYSTEMS

Chime Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Chime Wiring Diagram for Honda Ridgeline RT 2012:

(right side of cargo area) g602
A10
A16
A17
A19
A20
A48
A49
B-can
B18
B19
B21
B29
Beeper
Body controller area network tranceiver
C10
C204
C402
C45
C503
C504
C509
C601
Can-h
Can-l
Combination light switch
Combination switch control unit
Computer data lines system
Dimming circuit cruise control a/t gear position/
Drive circuit
Driver's door switch (on left "b" pillar)
Driver's seat belt buckle switch (in driver's seat belt buckle assembly)
Drswas
Drswdr
Drswra
Drswrd
E14
E15
F-can-hi
F-can-lo
F14
Fast controller area network transceiver
Front passenger's door switch (on right "b" pillar)
Front passenger's seat belt buckle switch (in front passenger's seat belt buckle assembly)
Fuse 7.5a
G401 (left kick panel)
G402 (right end of dash)
G501 (under center console)
G601 (left side of cargo area)
Gauge control module (behind instrument cluster)
H12
H13
H14
Head
Headlight switch
Hot at all times
Hot in on or start
Ig key lt
Ig key sw
Ig1
Ignition key light
Ignition key switch
Ignition key switch/key light
Imoes unit (left rear of cab)
In-bed trunk lid actuator/ latch switch (in-bed trunk lid)
In-bed trunk lid latch switch
In-bed trunk open indicator
J/c c451 (middle of dash)
Key sw
Lbsc
Lbsd
Lcd back light
Lcd brightness control & dimming circuit
Left rear door switch (on left "c" pillar)
Lights on ind
Low oil pressure ind
Micu
Multi-information display (mid) unit
N17
N28
N42
Off
Oil pressure switch (right front of engine)
Opsw
P13
Park
Pcm (right side of engine compt)
Pointer brightness control & dimming circuit
Q11
Rbsc
Rbsd
Red
Right rear door switch (on right "c" pillar)
Seat belt reminder ind
Seat belt sw
Srs unit (behind lower center of dash)
Tailgate sw
Tailgate switch (right rear of cargo area)
Trunk sw
Under-dash fuse/relay box (at left kick panel)
Usa: rt, sport; canada: dx, vp, sport
Usa: rts, rtl; canada: touring
Vbu
Warning
Wiper/washer switch
X27
X34
X35

Tire Pressure Monitoring Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Tire Pressure Monitoring Wiring Diagram for Honda Ridgeline RT 2012:

(w/o navigation)
+b tpms
A10
A11
A12
A13
A14
A19
A20
Auxiliary under-hood fuse box (left side of engine compt)
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
C204
C302
C402
C408
C509
Can h
Can l
Combination light switch
Computer data lines system
Fast controller area network transceiver
Fl ini sig
Fl lf gnd
Fl lf ini+
Fr ini sig
Fr lf gnd
Fr lf ini+
Front passenger's power window switch/door lock switch
Fuse 7.5a
G401 (left kick panel)
Gauge control module
Gnd
Hot at all times
Hot in on or start
Ig1 meter
K-line
Left front tpms initiator (rear of left front wheelwell)
Left rear tpms initiator (front of left rear wheelwell)
Low tire pressure ind
Red
Right front tpms initiator (rear of right front wheelwell)
Right rear tpms initiator (front of right rear wheelwell)
Rl ini sig
Rl lf gnd
Rl lf ini+
Rr ini sig
Rr lf gnd
Rr lf ini+
Tpms control unit (under left side of dash)
Tpms ind
Under-dash fuse/relay box (at left kick panel)
Vtm-4 lock switch
Warning drive circuit
X34
X35

WIPER/WASHER

Wiper/Washer Wiring Diagram for Honda Ridgeline RT 2012

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List of elements for Wiper/Washer Wiring Diagram for Honda Ridgeline RT 2012:

(behind right headlight)
A11
A20
B-can
C204
Combination switch control unit
Control block
D11
Fuse 11 30a
Fuse 20 7.5a
Fuse 21 7.5a
Fuse 7 7.5a
G201
G201 (behind right headlight)
G202 (right rear of engine compartment)
G401 (left kick panel)
Gauge control module (behind instrument cluster)
H12
High
Hot at all times
Hot in on or start
Ig1
Int
Int off
Intermittent dwell time controller
Intermittent wiper relay
J10
Low
Micu
Mist
N17
N42
Off
Park
Relay control module
Run
Under-dash fuse/relay box (at left kick panel)
Under-hood fuse/relay box (at right rear of engine compartment)
Vbu
Warning drive circuit
Wash
Washer fluid level ind
Washer fluid level switch (on washer fluid reservoir)
Washer motor relay
Windshield washer motor (on washer fluid reservoir)
Windshield washer switch
Windshield wiper high relay
Windshield wiper motor (under left side of cowl cover)
Windshield wiper switch
Wiper/ washer switch
X27
X34
X35