How to correctly wire led 3rd brake light leer topper dodge ram using the factory wire harness located to the left of the spare tire jan 15 just bought a used leer cap for my truck xq and it has the brake light dome light and keyless entry locks.
Truck cap dome light wiring.
The cap installer is providing the brake and dome light wire as part of the install.
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I asked about the battery dome light option but the cap installer recommended against them from his experience so i trusted his judgement and went with the 12v.
Well that s true technically this is a fourth brake light this article has been generously donated by peter ferlow.
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View installation instruction pdf.
I m saving the other half of that quick release connector to eventually run a power wire for the dome light inside the canopy.
If you trace the loom back just a bit you will find a light blue wire that is used for the 3rd brake light for your truck cap.
Will work with most truck topper brands.
In most areas third brake light is declared illegal and you can face legal difficulties if you wire the reel truck cap without knowing it.
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Step 7 feed the wires through the wire cover tube that came in the kit and then cut down the tube carefully using the heavy duty snips being careful to not cut the wires.
Wiring a truck cap 3rd brake light and dome light ford are truck cap parts diagram here you are at our site.
Designed to accept dome light brake light and or keyless entry wires.
Have the assistant to push and release the brake pedal while you use a 12.
Just thinking ahead if anyone had advice as there are some options as to where to tap the dome light.
Are truck cap wiring diagram.
I tied the brake and the cap light in there all wires are labled for there.
Finding positive wire have your assistant to push the brake and you crawl underneath the truck to locate where the wiring runs.
Lights and keyless entry and wires sold separately.
Wire harness has a 6 wire connect 3 wires included includes dome light brake light and ground wires.