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back up lamp wiring digram

back up lamp schematic

back up lamp wiring digram

Postby JGreen626 [OP] » Dec 22 2017, 8:00am

anyone have a wiring diagram of the back up lamp system? i have a 2005 silverado. the issue im having is that im getting power at the B/U fuse but not at the trailer b/u fuse or am i getting power from the rear connector, i know the lite green wire is for the back up lamps. however, everything else is working just fine....i got the truck off my friend a few months ago and he couldnt figure out the problem either.

thanks..
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Re: back up lamp wiring digram

Postby nealinator » Dec 22 2017, 3:02pm

First thing I did when I got my truck was to grab a Helm manual. It has all the diagrams in it. There should be links to some on the main page down at the bottom.

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Re: back up lamp wiring digram

Postby JGreen626 [OP] » Dec 22 2017, 6:31pm

ok thanks
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Re: back up lamp wiring digram

Postby silentbravo » Dec 23 2017, 2:05am

You can download the full Chilton manual here

https://docs.google.com/file/d/0B4loMfC ... ef=2&pli=1

It has some wiring diagrams in the back.

Sounds like maybe you have a broken wire, if you can check and see where voltage is present on the green wire maybe you can trace it back and see where along the harness it broke.
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Re: back up lamp wiring digram

Postby JGreen626 [OP] » Dec 23 2017, 3:05am

Thanks I'll check it out more tomorrow
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Re: back up lamp wiring digram

Postby JGreen626 [OP] » Dec 23 2017, 3:39am

OK so its a pink wire and goes from the b/u lamp fuse to the switch at the transmission and comes out as lite green all the way to the rear.I believe there's a break between the switch and rear lights. Thanks again man. Really appreciate the diagram.
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