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Discussion Starter #1
Not sure which forum this should go in. I'm actually having an issue with a hitch scan device that plugs into my 7-pin connector to provide power to the sensor/transmitter device that mounts in the hitch receiver. The chime that plugs into the cigarette lighter beeps when I start the truck, but nothing happens when I put it into reverse. I checked the voltage on the pin for the backup light and I get nothing. The actual backup lights in the truck work fine, however.

I'm not sure, but I'm wondering if other wires were somehow destroyed when I installed the hitch a few months ago. Here's that thread. I think I did a pretty decent job of soldering, heat-shrinking, and then wrapping the finished product, and the 4-pin connector worked fine when I towed a utility trailer last month. That said, the 4-pin doesn't have reverse... Any ideas? I'm not sure what those wires do that I repaired, or where else I can check.
 

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2104 Honda Ridgeline SE
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Be sure your plug for the power outlet is programmed properly for the hitch scan. I thought mine was broke too unilt I purchased a new one. When I installed the new one I had to program it. Then I said I wonder if I program the old one....and it worked. My new unit is on the shelf till the old one gives out. If you need instructions let me know and I can post them.
 

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Discussion Starter #3
I forgot to mention that I also tried reprogramming the sensor before I got out the multimeter. The procedure was successful according to the directions, but no change.
 

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2104 Honda Ridgeline SE
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It might be easier to try the HitchScan in another vehicle before you go pulling the wires apart. That way it would only take a couple of minutes to confirm if your wiring is bad.
 
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