LR3 (LA) V6-4.0L (2006)
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Stop Lamps
When the brake pedal is pressed, the brake pedal switch (C0075) provides a feed to fuse 1T of the trailer fuse box (C1875) on a GP wire. Fuse 1T
(C1875) provides a feed to the trailer pick-up (C0499) for the stop lamps on an R wire.
Reverse Lamps
When reverse gear is selected, the CJB energises the reverse lamp relay. The energised relay provides a feed to fuse 6P, which is also located in the CJB.
Fuse 6P (C0585) provides a feed to the trailer pick-up (C0499) for the reverse lamps on a GN then YN wire.
Fog Lamps
When the rear fog lamps are selected, the lighting control switch provides a feed to fuse 44P of the CJB. Fuse 44P (C0585) is connected to fuse 4T of
the trailer fuse box (C1875) by an RY wire. Fuse 4T (C1875) provides a feed to the trailer pick-up (C0499) for the fog lamps on a U wire.
Turn Signal Indicator Lamps
When a LH indicator request is made via the LH column multi-function switch, the CJB provides a signal feed to the LH trailer FET. The LH trailer FET
(C0585) provides a feed to the trailer socket (C0499) for the LH turn signal indicator lamp on a Y wire.
When a RH indicator request is made via the LH column multi-function switch, the CJB provides a signal feed to the RH trailer FET. The RH trailer
FET (C0585) provides a feed to the trailer socket (C0499) for the RH turn signal indicator lamp on a G wire.
North American Vehicles
Power Distribution
Feed from the positive battery terminal (C0192) is supplied to fusible link 6E, fusible link 11E, and fusible link 18E (C0632) on an R wire. All are
located in the Battery Junction Box (BJB). Fusible link 6E (C0570) provides a constant battery feed to the trailer brake module (C2590) on a KW wire.
Fusible link 18E (C0570) provides a constant battery feed to the Central Junction Box (CJB) and fuse 8P (C0583) on an NS wire. Fuse 8P (C0585) is
connected to the trailer socket relay (C2937) by a GN wire.
Fusible link 11E (C0570) is connected to the ignition switch (C0028) by an N wire. When the ignition switch is in the ignition position, current flows
across the switch (C0028) to fuse 22P of the CJB (C0582) on a Y wire. Fuse 22P (C0585) provides an ignition feed to the trailer socket relay (C2937) on
an R wire.
Trailer Socket Relay
The trailer socket relay coil (C2937) is provided an ignition feed by fuse 22P of the CJB (C0585) on an R wire. The relay coil (C2937) is provided a
ground path on a B wire. The energised relay (C2937) provides an ignition feed to the trailer pick-up (C2586) on an O wire.
Tail Lamps
When the lighting control switch is turned to the side lamp position, the energised side lamp relay provides a feed to fuse 14P, which is also located in
the CJB. Fuse 14P (C0583) is connected to the trailer pick-up (C0499 on 4 pin trailer sockets, C2586 on 7 pin trailer sockets) for the tail lamps by an N
then NW wire. Fuse 14P (C0583) also provides a feed to the trailer brake module (C2590) on an N wire.
Stop Lamps
When the brake pedal is pressed, the brake pedal switch (C0075) provides a feed to the brake module (C2590) for the stop lamps on a GP wire.
Reverse Lamps - 7 Pin Socket Only
When reverse gear is selected, the CJB energises the reverse lamp relay. The energised relay provides a feed to fuse 6P, which is also located in the CJB.
Fuse 6P (C0585) provides a feed to the trailer pick-up (C2586) for the reverse lamps on a GN then BG wire.
Turn Signal Indicator Lamps
When a LH indicator request is made via the LH column multi-function switch, the CJB provides a signal feed to the LH trailer FET. The LH trailer FET
(C0585) provides a feed to the trailer socket (C0499 on 4 pin trailer sockets, C2586 on 7 pin trailer sockets) for the LH turn signal indicator lamp on a Y
wire.
When a RH indicator request is made via the LH column multi-function switch, the CJB provides a signal feed to the RH trailer FET. The RH trailer
FET (C0585) provides a feed to the trailer socket (C0499 on 4 pin trailer sockets, C2586 on 7 pin trailer sockets) for the RH turn signal indicator lamp
