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Parts Needed to Install 7-Way on 1992 GMC Truck

Question:

What parts are needed to wire a brake controller and 7 wire plug to this vehicle.

Expert Reply:

You will need to start with a 4-way (if you do not have one). For that you would want the # 118315.

If your trailer does not have brakes all you then would need is the part # 37185.

If you do have trailer brakes you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this product as well.

For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup.

expert reply by:
Jameson C

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