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Discussion Starter #1
Anyone know where a switched 12V wire can be found on the back of the truck? I am installing an aftermarket backup sensor. I know there is one in the trailer harness, but that wiring is difficult to access, so I wondering if there is one on either of the sides of back?

Thanks,
Matt
 

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Why not use the reverse light wire? Your sensor will only come on when you're actually in reverse then...
 

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Discussion Starter #3
the system uses three sources - the reverse light, the brake light, and a 12V source (which i presume controls the LED display).
 

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the system uses three sources - the reverse light, the brake light, and a 12V source (which i presume controls the LED display).
if it's for the display, why does it need to be in the rear? Is that where the display is going to be? I'm confused...
 
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