Description: This amazing harness plug kit, with part number GML5PKIT, is a perfect fit for 2017 - 2022 GMC/Chevrolet trucks equipped with the L5P 6.6L Duramax engine. It offers harness caps that effectively keep water, dirt, and debris out of the vehicle harness under the hood and the truck body. These caps are designed for areas outside the CAN piggyback plugs, which should be provided by the tuner. Features: Keeps your truck's harness clean and protected. Includes: A single Harness Plug Kit. Notes: The base kit doesn't come with DEF tank plugs, and shift - on - the - fly plugs are available separately.

Using this harness plug kit is easy. First, locate the areas under the hood and the truck body where the harnesses are. Then, simply attach the harness caps from the kit to the appropriate spots outside the CAN piggyback plugs. This will help keep water, dirt, and debris away from your truck's harness. As for maintenance, periodically check the caps to make sure they are still firmly in place. If you notice any signs of wear or damage, replace the caps right away. Remember, the base kit does not include DEF tank plugs and shift - on - the - fly plugs. If you need those, you'll have to get them separately.