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Are Extra Diodes Needed w/Trailermate Harness to Stop Back Feed to RV Wiring from 2012 Jeep Wrangler

Question:

part HM56200 Do i need more diodes to tow my jeep with this kit,allready installed but keep reading mixed reviews

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Expert Reply:

The need for additional diodes with the Hopkins wiring kit # HM56200 depends on the braking system you are using, if any. If you are not using a braking system you would not need additional diodes. If you are using a braking system then unless it is a purely mechanical system like the Blue Ox Auto Stop systems you will need additional diodes.

Diodes like part # RM-690 will run inline with the Hopkins harness to prevent back feed going to the RV wiring. In this case you will need three diodes, one on the left turn/brake, one on the right turn/brake circuit, and one on the running light circuit.

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