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Need to find the cable that triggers my revers light in the dash in order to hook up my back up camera

I need to see which color I need to splice and hook up with my head unit. This is to get 12v power to my unit triggering the backup camera to turn on

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First you need to UN DO your first hook up. Put it back the way it was before you splice. You have evendently spliced the wrong wires. Without schematics colors and stripe won't mean anything.

Be thankful you haven't damaged anything or burn something out in your control module.

You need to find the schematic wiring for the radio.

Or if you have a taple player in the radio, by the tape adapter for CD player. Until you can find out what wires PRE AMP the tape player then you can splice.

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