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Availability of 7-Way and 4-Way with Harness to Run to 2002 GMC Sierra Trailer Wiring


can Item # HM40975 / 7-and 4-pole trailer connector be installed on a 2002 GMC Sierra 1500 that does not have a factory installed harness plug, but just loose wires?


Expert Reply:

If you have loose trailer wiring wires on your 2002 GMC Sierra what you need to install the 7-way and 4-way you mentioned is actually the part # HM40975-11998 which comes with the connector plus a harness with 7-way wiring that you could run to your truck's wiring.

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expert reply by:
Jameson C

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