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This is very rare, but if the diagrams do not match your vehicle, contact us at support@portal-diagnostov.com and attach a few photos of the connector or wiring that does not match. We will issue a refund.

Exterior Lights — Mercury Mountaineer 2005 Wiring Diagram

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Mercury Mountaineer 2005

List of elements for Back-up Lamps Wiring Diagram for Mercury Mountaineer 2005:

(in rear lamp connector harness, near breakout to parking aid speaker) s401
(in window regulator jumper assembly, near breakout to driver safety belt buckle switch) s309
Autodimming interior mirror unit
C270a
Central junction box (cjb) (behind left side of dash)
Digital transmission range (dtr) sensor (lower left side of automatic transmission)
Fuse 7.5a
G400 (left rear of vehicle)
G401 (at right "d" pillar)
Hot in run or start
Left reversing lamp
Parking aid module (pam) (at right "d" pillar)
Rear auxiliary junction box (ajb) (at right "d" pillar)
Reversing lamp trailer tow relay
Right reversing lamp
S400
S404

Exterior Lamps Wiring Diagram for Mercury Mountaineer 2005

List of elements for Exterior Lamps Wiring Diagram for Mercury Mountaineer 2005:

"a" pillar) g200
(in dash panel to engine harness, near breakout to left horn) s122
(manual a/c) function selector switch assembly
(near breakout for center of dash) s307
(near breakout to central junction box) s224
(near breakout to data link connector)
(near breakout to left rear park/stop /turn lamp) s405
(near breakout to left repeater lamp) s136
(near breakout to right reversing lamp) s402
(near breakout to to central junction box) s203
(right "d" pillar) rear auxiliary junction box (ajb)
Auto off
Battery junction box (bjb) (left side of engine compt, at fender apron)
Brake pedal position switch (above brake pedal)
C202b
C205a
C205b
C220a
C220b
C270a
C270d
C294b
C3203e
Central junction box (cjb) (behind left side of dash)
Fuse 15a
Fuse 5a
G101 (left front of engine compartment)
G103 (right front of engine compartment)
G400 (left rear of vehicle)
G401 (at right "d" pillar)
Hazard
Head
High mounted stoplamp
Hot at all times
Hot in run or start
Indicator flasher relay
Instrument cluster
Left front park/ turn lamp
Left front side lamp
Left license plate lamp
Left re- peater lamp
Left rear park/ stop/ turn lamp
Left rear side lamp
Left tail lamp
Left turn
Left turn signal ind
Left turn trailer tow relay
Main light switch
Micro- processor
Multi-function switch
Nca
Park
Parking lamp trailer tow relay
Pwr
Right front park/ turn lamp
Right front side lamp
Right license plate lamp
Right re- peater lamp
Right rear park/ stop/ turn lamp
Right rear side lamp
Right tail lamp
Right turn
Right turn signal ind
Right turn trailer tow relay
S120 (near breakout to windshield wiper motor)
S126
S137 (near breakout to ambient air temperature sensor)
S138
S173
S204
S217 (near breakout to center of dash)
S250
S251
S259
S407
Trailer electronic brake control module (early production) (behind right side of dash)
Vehicle security module (vsm) (above right rear wheelwell)

Trailer Tow Wiring Diagram for Mercury Mountaineer 2005

List of elements for Trailer Tow Wiring Diagram for Mercury Mountaineer 2005:

Back-up lamps circuit
Battery charge trailer tow relay
Battery junction box (bjb) (left side of engine compt, at fender apron)
Brake pedal position switch (above brake pedal)
C270a
Central junction box (cjb) (behind left side of dash)
Class ii
Class iii/iv
Exterior lamps circuit
Fuse 15a
Fuse 20a
Fuse 30a
Fuse 40a
Fuse 5a
G103 (right front of engine compartment)
G200 (at right "a" pillar)
G401 (at right "d" pillar)
Hot at all times
Hot in run or start
Left turn trailer tow relay
Nca
Parking lamp trailer tow relay
Rear auxiliary junction box (ajb) (right "d" pillar)
Reversing lamp trailer tow relay
Right turn trailer tow relay
S120 (w/ ivd: near breakout to left horn) (w/o ivd: near breakout to windshield wiper motor)
S121
S173
S216
S410
S412
Trailer electronic brake control module (behind right side of dash)
Trailer tow connector (class ii) (at rear of vehicle, below bumper)
Trailer tow connector (class iii/iv) (at rear of vehicle, below bumper)

EXTERIOR LIGHTS – Mercury Mountaineer 2005 – SYSTEM WIRING DIAGRAMS