We have learned that the 2013 and newer Ram trucks do not provide enough voltage to power the Hopkins Smart Hitch, part # HM50002, simply by plugging it in to your truck.
In order to install the camera on your truck you need to hardwire the power wire into the reverse light circuit which is the center pin of your 7-way trailer connector. view full answer...
It sounds to me like you may have a ground problem. A weak ground can cause your signals to malfunction so you will want to check and make sure that the ground wire on the vehicle, as well as the trailer, is secured tightly to a clean metal surface. I also recommend checking the trailer connectors for corrosion.
If you are still having problems and your 1997 Lexus LX 450 has an aftermarket wiring harness with converter, I recommend using a circuit tester like # PTW2993 to check the functioning... view full answer...
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