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Hopkins # HM40975 Not Working On My 2016 Dodge Dually Connector

Question:

My rv turn signals and brake lights are not working

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Expert Reply:

The first thing you will need to do is unplug the harness # HM40975 from your 2016 Dodge, and check and see if any of the pins were damaged or have debris stuck in between the pins.

If the pins are good you can use The Cordless Circuit Tester # PTW2979 and test the wires both before and after the module and make sure the signal is going through. If the signal is not going through then your plug is bad and you will have to replace it.

I attached a review video link below.

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Noah E

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