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Recommended Trailer Wiring Harness for a 2002 Chevy Silverado 1500 To Connect a Boat Trailer


Im looking for a trailer harness for my 2002 Chevy 1500. I need a 4 prong set up for my boat trailer. There was a connection on my hitch but it broke off some how. If you could email me the right harness part number that would be great. Thanks


Expert Reply:

If you just need the socket portion I recommend the Hopkins # HM40975 and it will allow you to tow your boat trailer with either a 7- or 4-pole plug. It will come with the mounting bracket too.

If you need the harness to plug into the frame wiring then use # C55515. The connector plugs directly into your factory tow package port.

The wiring configuration is as follows:

Red - Left Turn and Stop - 14 gauge
White - Ground - 10 gauge
Blue - Electric Brakes - 12 gauge
Green - Right Turn and Stop - 14 gauge
Black - Battery - 12 gauge
Brown - Running Lamps - 14 gauge
Yellow - Backup Lamps - 14 gauge

I highly recommend using dielectric grease such as # 11755 to help prevent corrosion from water exposure.

I have included a FAQ and a few videos for you as well.

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