VEHICLES, CAMPERS, and BOATS > Everything Trailer, Camper, or RV related
7 pin wiring issues
EL TATE:
On my '03 LB7 I have a wiring problem. running lights, check. Left and right turn signals, check. RR brake light check. LR brake light? I have power from the yellow wire when the blinker is flashing, but not when the brakes are applied. what gives? Any ideas or experiences with this?
Nate:
Is the lens chipped at all? Did you check to see if there is corossion in the bulb socket? My lens had a small chip in it and over time the bulb socket got corroded.
EL TATE:
bulb socket is good. hooked up another rig and confirmed the issue lies w/ the new truck. swapped bulbs to be sure and consistent left side only issues. blinker fires, runners light, but brakes only on passenger side. ran a lead tester on the driver's side terminal at the connector on the bumper and came up w/ the same. power with blinker but no brakes on left side only. I should also point out that it's the only wire out of the loom and spliced to other smaller blue wires.
KensAuto:
RV plug? I believe there's a separate trailer brake light fuse in the underhood fuse panel.
KensAuto:
Scratch that...just looked at an 03 wiring schematic. The left and rt turn (yellow and green) come straight from the flasher module. There might be a reason they tied into that wire. You might try cutting those blue ones.
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