![]() If fuse continues to fail, then the fault in the tail and marker lights circuit. ![]() Try disconnecting the connecting plug on the rear of the dimmer control and checking if fuse still blows. The electronic bits inside the dimmer control for these lights sometimes go faulty. It could also be that the instrument dimmer control has failed and is causing the fault. As you have already checked the wiring near the light fittings for any chafed wires that could be shorting to the body causing the fault, then a closer inspection of the wires inside all the light assemblies for any shorts may be needed. If fuse continues to fail, check the tail light or marker globes, including the globes for the number plate, for a globe that may have an internal short causing the fault and replace as necessary. The tail and marker lights and Instrument lights are on the same circuit so both will go out if the fuse for this circuit blows. The T PARK fuse in the rear fuse-relay block supplies battery positive voltage to a separate park lamp circuit connected to the trailer wiring harness. If the driver places the headlight switch in the ON position after the ignition switch has been turned OFF, the park, tail, marker, license, and clearance lamps will remain on until turned off or the battery runs dead. When equipped with the Y92 roof rack option, the clearance lamps are grounded at G302. The tail lamps are grounded at G401 and G402. The front park and marker lamps are grounded at G107 and G103. Current flow is from the park lamp relay to the individual park lamp circuit fuses and to their respective park, tail, marker, and license lamps. When the park lamps are turned on, the BCM energizes the park lamp relay. The body control module (BCM) provides a ground or control circuit to the park lamp relay coil circuit. ![]() The I/P BATT fuse in the engine wiring harness junction block supplies battery positive voltage to both the park lamp relay switch contacts and the park lamp coil circuit. The park, tail, marker, license, and clearance (Y92 only) lamps are turned on when the headlamp switch is placed in the PARK or ON position or anytime the headlights are requested. Park, Tail, Marker, License, and Clearance Lamps The Clearance Lamps (Y92 roof rack only).The exterior lighting system consist of the following lamps: What about them ? What front lights ? Headlamps, park lamps, marker lamps ? They don't work ?
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