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Also sold under the GMC Sierra and VIA Vtrux names, available in the US, Canada, Mexico and other countries around the world.

My reverse light are always on

My 05 chevy 1500 has a flatbed on it and was done on amature hour. The rear end wiring wasnt working so I decided to run new wiring from the fuse box using a fuse tap all the lights work but the problem is my reverse lights are always on. My question is does the switch for the reverse lights that i assum is either on the shifter or transmission lie between the battery and fuse box or the fusebox and the lights. If it's the latter then obviously I bypassed the switch but none of the other lights are like that so I don't see that being the case

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Hi @loganloren71558

The backup switch is between the output side of the fuse and the BCM (Body Control Module) i.e. battery → B/UP 20A fuse → backup switch → BCM → backup lights.

Here's the backup lamp wiring diagram from the service manual.

When reverse gear is selected (either AT or MT) B/UP 20A fuse supplies voltage via the operated backup switch, to the BCM. The BCM then supplies the voltage to operate the backup lamps.

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