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2004 chevy trailblazer_ls_ext
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1 Posts
Discussion Starter #1
Im trying to determine if there is a separate reverse circuit. I want to add a camera and additional lights that activate when i shift to reverse. I would like to avoid splicing in to the OE reverse light wires and run a whole new circuit.
any ideas?
 

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2004 gmc envoy_slt
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2,235 Posts
Supposedly the center contact on the trailer connector is used for backup indication. Google GM trailer connector. Runs off fuse #4 in underhood fuse box.
 
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