All Wiring Diagrams for Mazda MX-5 Miata 1999

AIR CONDITIONING

Heater Wiring Diagram for Mazda MX-5 Miata 1999

List of elements for Heater Wiring Diagram for Mazda MX-5 Miata 1999:

(1999-00) (2001)
(behind left side of dash) g202
1994 vftc c
A/c fuse 10a 7.5a
A39
Blower fuse 30a
Blower motor
Blower relay (behind left side of dash)
Blower unit
Fan switch
Fuse block (behind left side of dash)
G-03 (1999-00) g-10 (2001)
G-07 (1999-00) g-11 (2001)
G202 (behind combination meter)
Hot at all times
Hot in run
Jc-03 jc-01
M34
Main fuse block (on right rear of engine compartment)
Nca
Pnk
R11
Resistor
Resistor used in 2000-01 models)
Z13

Manual A/C Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Manual A/C Wiring Diagram for Mazda MX-5 Miata 1999:

15i
15i evaporator temperature sensor
A/c amplifier (behind right side of dash)
A/c fuse 10a
A/c relay (in left front corner of engine compartment)
A/c switch
A39
A49
A81
B77
Blower fuse 30a
Blower motor
Blower motor relay (behind left side of dash)
Blower unit (under right side of dash)
Condenser fan
Condenser fan relay (in left front corner of engine compartment)
Cooling fan motor
Cooling fan relay (in right rear corner of engine compartment)
E87
Engine fuse 15a
Fan fuse 30a
Fan switch
Fuse block (behind left side of dash)
G-03
G-07
G106 (behind left headlight)
G107 (behind right headlight)
G202 (behind combination meter)
G202 (behind left side of dash)
Hot at all times
Hot in run
Hot in run or start
Jc-01
Jc-02
Jco3
K105
K35
M34
M90
Magnetic clutch
Main fuse block (on right rear side of engine compartment)
Nca
Pnk
Pnk (or nca)
Powertrain control module (pcm) (behind right side of dash)
R11
Refrigerant pressure switch (in right front corner of engine compartment)
Resistor
S162
S188
Thermal protector (in left front corner of engine compartment)
X-01
X-03
Z13

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Mazda MX-5 Miata 1999

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List of elements for Anti-lock Brake Wiring Diagrams for Mazda MX-5 Miata 1999:

A/b fuse 10a
Abs control module (behind right side of dash)
Abs fuse 20a
Abs hydraulic unit (right side of engine compt)
Abs indicator
Abs motor
Abs motor relay
Abs wheel speed sensors (on each wheel hub/spindle assembly)
B
Brake switch (behind left side of dash)
Cruise control, exterior lights, shift interlock, engine controls
Data link connector (left rear corner of engine compt)
Fuse block (behind left side of dash)
Fusible link
G107
Hot at all times
Hot in run & start
Instrument cluster
J/c 01 (behind right headlamp)
Left frnt
Left front
Left rear
Main fuse block (right rear side of engine compt)
Meter fuse 15a
Not used
O-02
O-03
Rear av
Rear ev
Red
Right frnt
Right front
Right rear
Stop fuse 15a
Stop fuse 80a
Valve relay
X-22 (behind left side of dash)

COMPUTER DATA LINES

Computer Data Lines for Mazda MX-5 Miata 1999

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List of elements for Computer Data Lines for Mazda MX-5 Miata 1999:

(left side of dash) g202
(right front of engine) g119
Abs control module (behind right side of dash)
Air bag ind
Cruise control module (behind left side of dash)
Data link connector (left rear corner of engine compt)
Data link connector 2 (below lower left side of dash)
Engine fuse 15a
F/p
Fab
Fbs
Fsc
Fuel pump relay (behind left side of dash)
Fuse block (behind left side of dash)
G106
Gnd
Hot at all times
Hot in run or start
Ig-
Instrument cluster
Jc- x-23 (behind left side of dash)
Jc-02 (behind left headlamp)
Kln
Meter fuse 15a
Powertrain control module (behind right side of dash)
Room fuse 10a
Sas control module (behind center of dash)
Sgnd
Tbs
Ten
X-22 (left side of dash)

COOLING FAN

Cooling Fan Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Cooling Fan Wiring Diagram for Mazda MX-5 Miata 1999:

Condenser fan
Condenser fan relay (in left front corner of engine compartment)
Cooling fan motor
Cooling fan relay (in right rear corner of engine compartment)
Engine fuse 15a
Fan fuse 30a
Fuse block (behind left side of dash)
G106 (behind left headlight)
G107 (behind right headlight)
Hot at all times
Hot in run or start
Jc-01
Jc-02
Main fuse block (on right rear side of engine compartment)
Powertrain control module (pcm) (behind right side of dash)

CRUISE CONTROL

Cruise Control Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Cruise Control Wiring Diagram for Mazda MX-5 Miata 1999:

(left side of dash)
(left side of dash) g202
A/t
Brake switch (behind left side of dash)
Clutch switch (behind left side of dash)
Cruise actuator (on left rear of engine compartment)
Cruise control main switch
Cruise control module (behind left side of dash)
Cruise control switch
Cruise ind
Data link connector 1 (in left rear corner of engine compartment)
Engine control system
Fuse block (behind left side of dash)
G202
Hot at all times
Hot in run & start
Instrument cluster
J/c x-22 (behind left side of dash)
J/c-03
M/t
Main fuse block (right rear side of engine compt)
Meter fuse 15a
Pnk
Powertrain control module (behind right side of dash)
Resume/accel
Set/coast
Speed output
Starting/ charging system
Stop fuse 20a
Transmission control module (behind left side of dash)
Vac
Vent 1
Vent 2

DEFOGGERS

Defogger Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Defogger Wiring Diagram for Mazda MX-5 Miata 1999:

A/c fuse 10a
Condenser
Defog fuse 15a
Filament
G106
G408 (center front of trunk)
Hot at all times
Hot in run
J/c-02 (behind left headlamp)
Limit switch (near upper left side of rear window)
Main fuse block (on right rear of engine compartment)
Pnk
Rear window defroster relay (behind left side of dash)
Rear window defroster switch
W/ limit switch
W/o limit switch

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagrams (1 of 3) for Mazda MX-5 Miata 1999

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List of elements for 1.8L, Engine Performance Wiring Diagrams (1 of 3) for Mazda MX-5 Miata 1999:

A/c system
Brake switch (behind left side of dash)
Camshaft position sensor (right front of eng)
Cooling fans system
Crankshaft position sensor (front of eng)
Engine fuse 15a
Fuel pump (in fuel tank)
Fuel pump relay (behind left side of dash)
Fuse block (behind left side of dash)
G107
G119 (right front of eng)
G125 (top front of eng)
G403 (right rear wheel well)
Hot at all times
Hot in start or run
Ignition coil 1 (top center rear of eng)
Ignition coil 2 (top center rear of eng)
Inj fuse 30a
J/c x-19 (upper center of dash)
J/c x-22 (left side of dash)
J/c-01 (behind right head- lamp)
J/c-01 (behind right headlamp)
Knock sensor (right front of eng)
Main fuse block (right rear of eng compt)
Main relay
Meter fuse 15a
Neutral switch (m/t) (center rear of eng compt)
Pnk
Powertrain control module (behind right side of dash)
Psp switch (near left front of eng)
Room fuse 10a
Starting/ charging system
Stop fuse 15a
Transmissions system

1.8L, Engine Performance Wiring Diagrams (2 of 3) for Mazda MX-5 Miata 1999

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List of elements for 1.8L, Engine Performance Wiring Diagrams (2 of 3) for Mazda MX-5 Miata 1999:

(near left front corner of eng compt) intake air temperature sensor
(on right side of eng compt) egr boost sensor
(right front of eng) throttle position sensor
(top center rear of eng) data link connector 1
(top center rear of eng) data link connector 2
(top rear of eng) water temper- arture sender unit
(under center rear of vehicle) ftp sensor
Cdcv (under center rear of vehicle)
Egr boost sensor solenoid valve (right side of eng compt)
Egr valve (near right rear side of eng)
G119 (right front of eng)
J/c x-19 (upper center of dash)
J/c x-22 (left side of dash)
Mass air- flow sensor (near left front corner of eng)
Pnk
Purge solenoid valve (right side of eng compt)
Tpcv (under center rear of vehicle)
Transmissions system
Vics solenoid valve (near right rear side of eng)

1.8L, Engine Performance Wiring Diagrams (3 of 3) for Mazda MX-5 Miata 1999

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List of elements for 1.8L, Engine Performance Wiring Diagrams (3 of 3) for Mazda MX-5 Miata 1999:

(california)
(california: on exhaust system, near rear of eng,
(left side of dash)
A/t
Cali- fornia
Check engine ind
Clutch switch (m/t) (left side of dash)
Cruise control system
Except california
Fuel gauge sender unit
G119 (right front of eng)
G202
Heated oxygen sensor (front) (on exhaust system, near rear of eng)
Heated oxygen sensor (rear)
Iac solenoid valve (right front corner of eng)
Injectors fuel
Instrument cluster
J/c x-19 (upper center of dash)
J/c x-22 (left side of dash)
J/c x-23 (left side of dash)
Jc-03
Micro- computer
Nca
Non-california: on exhaust system, near left rear corner of eng compt)
Powertrain control module (behind right side of dash)
Red
Trnasmission control module (behind left side of dash)
Vehicle speedo- meter sensor (m/t only) (center rear of eng compt)

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Backup Lamps Wiring Diagram for Mazda MX-5 Miata 1999:

(right "c" pillar) g905
A/t
Back-up light switch (center rear of engine compt)
Fuse block (behind left side of dash)
Hot in run and start
Left back-up light
M/t
Meter fuse 15a
Right back-up light
Transmission controls system
Transmission range switch (center rear of engine compt)
X-22 (behind left side of dash)

Exterior Lamps Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Exterior Lamps Wiring Diagram for Mazda MX-5 Miata 1999:

Brake switch (behind left side of dash)
Cruise control, anti-lock brakes, shift interlock & engine controls systems
D-03
Flasher control module (behind left side of dash)
Fuse block (behind left side of dash)
G106
G107
G202
G905 (right "c" pillar)
G905 (rigth "c" pillar)
Hazard fuse 10a
Hazard warning switch
Head
Headlight switch
High mount brake- light
Hot at all times
Hot in run and start
Instrument cluster
Interior lights system
Jc-01 (behind right headlamp)
Jc-02 (behind left headlamp)
Jc-03 (left side of dash)
Left brake- light
Left front park light
Left front side marker light
Left front turn/ hazard light
Left license plate light
Left rear turn/ hazard light
Left tail- light
Left turn ind
Off
Right brake- light
Right front park light
Right front side marker light
Right front turn/ hazard light
Right license plate light
Right rear turn/ hazard light
Right tail- light
Right turn ind
Shift interlock system
Stop fuse 15a
Suplemental restraints system
Tail fuse 15a
Tns
Tns relay (right rear corner of engine compt)
Turn fuse 10a
Turn switch
X-21 (behind left side of dash)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Ground Distribution Wiring Diagram for Mazda MX-5 Miata 1999:

(a/t)
(bose audio)
Audio unit
Cooling fan motor, seat belt switch, brake fluid level sensor, left front side marker lights, left front turn/hazard lights, rear window defroster filament, door lock control module, door lock-link switch, audio relay, data link connector
Front heated oxygen sensor shield, right heated oxygen sensor shield (calif), mass airflow sensor, camshaft position sensor, crankshaft position sensor, knock sensor shield, knock sensor
Fuel gauge sender unit, taillights, rear turn/hazard lights, back-up lights, brakelights, high mount brakelights, power antenna,
G106
G107
G119 (right front of engine)
G125 (front of engine)
G201 (right side of dash)
G202
G202 (left side of dash)
G206 (center of dash)
G408 (w/ limit switch) (center front of trunk)
G905 (right "c" pillar)
Ignition coil 1 & 2
J/c x-19 (behind center of dash)
J/c x-23 (behind left side of dash)
J/c-01 (behind right headlamp)
J/c-02 (behind left headlamp)
J/c-03 (left side of dash)
Main relay, clutch switch, shift-lock actuator, neutral switch (m/t), key interlock unit, instrument cluster, o/d on/off switch, abs control module, cruise control module, passenger-side air bag cut-off switch, headlight switch, flasher control module, drl control module, condenser fan, right front side marker lights, right front turn/hazard lights, blower motor relay, sas control module, fan switch, power window switch, winshield wiper & washer switch, windshield washer motor
Panel light control switch, cigarette lighter, power outside mirror switch, cruise control main switch, data link connector 2
Pcm
Rear window defroster switch
Right heated oxygen sensor shield (ex calif), input/turbine speed sensor shield, output speed sensor shield, data link connector, data link connector 2
Sas control module

HEADLIGHTS

Headlight Wiring Diagram, with DRL for Mazda MX-5 Miata 1999

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List of elements for Headlight Wiring Diagram, with DRL for Mazda MX-5 Miata 1999:

Beam ind
Beam switch
Brake fluid level sensor (in fluid reservoir)
Brake ind
Drl control module (behind left side of dash)
Engine fuse 40a
Exterior lights system (tail relay)
Flash- to- pass
Fuse block (behind left side of dash)
G106
G202
Head
Head fuse 15a
Head lh fuse 15a
Head rh fuse 15a
Headlight relay (right rear corner of engine compt)
Headlight switch
Hot at all times
Hot in run or start
Instrument cluster
Jc-02 (behind left headlamp)
Jc-03 (left side of dash)
Left headlight
Main fuse block (right rear side of engine compt)
Off
Parking brake switch (at base of parking brake lever)
Red
Right headlight
Tns

Headlight Wiring Diagram, without DRL for Mazda MX-5 Miata 1999

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List of elements for Headlight Wiring Diagram, without DRL for Mazda MX-5 Miata 1999:

Beam ind
Beam switch
Exterior lights system (tail relay)
Flash- to- pass
Fuse block (behind left side of dash)
G202
Head
Head fuse 40a
Head lh fuse 15a
Head rh fuse 15a
Headlight relay (right rear corner of engine compt)
Headlight switch
Hot at all times
Instrument cluster
Jc-03 (left side of dash)
Left headlight
Main fuse block (right rear side of engine compt)
Off
Red
Right headlight
Tns

HORN

Horn Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Horn Wiring Diagram for Mazda MX-5 Miata 1999:

Clock spring
Horn switches
Horn (near right headlight)
Horn relay
Hot at all times
Main fuse block (right rear side of engine compartment)
Nca
Stop fuse 15a

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Instrument Cluster Wiring Diagram for Mazda MX-5 Miata 1999:

(a/t)
(at center rear of engine compt) vehicle speedometer sensor
(m/t)
(w/ drl)
A/t
Abs ind
Air bag ind
Air bag off ind (not bulb)
Anti-lock brake system
Brake fluid level sensor (in brake fluid resvervoir)
Brake ind
Buzzer
Charge ind
Charging system
Check engine ind
Conn 1
Conn 2
Conn 3
Cruise control system
Cruise set ind
Drl control module (behind left side of dash)
Engine controls system
Engine coolant temperature sensor (on top rear of engine)
Exterior lights system
Fuel
Fuel gauge sender unit (on fuel tank)
Fuse block (behind left side of dash)
G106
G200
G202
G905 (right "c" pillar)
Headlights system
Hi beam ind
Hot in run & start
Illumination (4 used)
Instrument cluster
Interior lights system
J/c x-22 (behind left side of dash)
J/c-02 (behind left headlamp)
J/c-03 (left side of dash)
Left turn ind
Low fuel ind
M/t
Meter fuse 15a
Microcomputer
O/d off ind
Odometer/ tripmeter switch 1n
Oil pressure
Oil pressure switch (on side of engine)
Parking brake switch (at base of parking brake lever)
Right turn ind
Seat belt switch
Seat belts ind
Speedometer
Starting system
Tachometer
Temp
Transmissions control system
W/ drl
W/o drl
Warning system

INTERIOR LIGHTS

Interior Light Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Interior Light Wiring Diagram for Mazda MX-5 Miata 1999:

Audio unit illumination
Cruise control main switch illumination
Door
Exterior lights system (headlight switch)
Fan switch illumination
Fuse block (behind left side of dash)
G202 (left side of dash)
Hazard warning switch illumination
Hot at all times
Instrument cluster
Instrument cluster illumination
Interior light
Joint box (left side of dash)
Left door switch
Microcomputer
Off
Oscillator
Panel light control switch
Passenger- side air bag cut-off switch illumination
Right door switch
Room fuse 10a
Shift-lock actuator illumination (a/t)
Tail fuse 15a
Tns relay (in right rear corner of engine compt)

POWER ANTENNA

Power Antenna Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Power Antenna Wiring Diagram for Mazda MX-5 Miata 1999:

(right "c" pillar) g905
Audio unit
Fuse block (behind left side of dash)
Hot at all times
Power antenna
Room fuse 10a
X-22 (behind left side of dash)

POWER DISTRIBUTION

Power Distribution Wiring Diagram for Mazda MX-5 Miata 1999

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List of elements for Power Distribution Wiring Diagram for Mazda MX-5 Miata 1999:

(behind left side of dash) fuse block
A/b fuse 10a
A/c fuse 10a
Abs fuse 20a
Acc
Anti-lock brakes
Audio fuse 20a
Battery
Blower fuse 30a
Btn1 fuse 20a
Btn2 fuse 20a
Cigar fuse 20a
Cigarette lighter
Cooling fans
Cooling fans, air conditioning
Cruise control, instrument cluster
D lock fuse 10a
Defog fuse 15a
Defogger
Defogger, air conditioning
Door locks
Engine controls
Engine fuse 15a
Exterior lights
Exterior lights, shift interlock
Fan fuse 30a
Fuel inj fuse 30a
Fusible link
G202 (left side of dash)
Hazard fuse 10a
Head fuse 40a
Headlights
Ig key fuse 40a
Ignition switch
Main fuse 80a
Main fuse block (right rear side of engine compt)
Meter fuse 15a
Off
P wind fuse 30a
Pnk
Power windows
Radio fuse 10a
Red
Room fuse 10a
Run
Sound system, power mirrors, shift interlock
Sound systems
St sig fuse 10a
Start
Starter motor
Starting/ charging
Stop fuse 20a
Tail fuse 15a
Transmission, sound systems, power antenna, interior lights, engine controls, instrument cluster, computer data lines
Turn fuse 10a
Wiper fuse 20a
Wiper/ washer