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Hopkins Custom Fit Vehicle Wiring - Trailer Hitch Wiring - HM41115 Review

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Review of Hopkins Custom Fit Vehicle Wiring HM41115

Today we're going to be taking a look at the Hopkins Plug-In Simple Vehicle Wiring Harness with a 4-Pull flat, trailer connector. This product fits certain years of the Chevrolet and GMC Series S, K, pickups, Isuzu Hombre, Chevrolet S-10, GMC S-15, GMC Sonoma, Chevrolet and GMC Suburban, Chevrolet Blazer, and GMC Jimmy. To see if this is a fit for your vehicle, you can use the vehicle fit guide, located at The unit is going to provide a 4-way flat connector at the back of your vehicle to power your trailer signal lights. This is compatible with 4-Pull, 6-Pull, and 7-Pull adapters. Adapters are sold separately. It does come with a dust cap to protect the connection points when the plug is not being used and the unit is going to feature protective connection terminals to resist corrosion and last a long time. It's going to connect quickly and easily.

You don't have to worry about cutting or splicing any wires, just locate the connection points at the rear of the vehicle. Then, you're going to have this plug right here. It's got a connector on each side. It is custom fit for your vehicle, so it's going to match up perfectly with the ports on the vehicle. It's going to snap lock together for a nice tight, secure fit, so once you have that connected, you'll need to make ground connection. That's going to be this white wire with the ring terminal attached to it.

You want to get that grounded to a nice clean metal surface with the included grounding screw. Any excess or slack in the wiring can be secured with the included cable ties. Once your install is complete, the 4-way connectors are going to be stowed beneath the vehicle, near the trailer hitch. We do recommend using a mounting bracket to help keep the connector secure and easily accessible. Mounting brackets are sold separately. They can be found right here at

It's also recommended that you use a small amount of grease on all your electrical connections, like the plugs on the vehicle and the 4-Pull connector, itself. That grease is really going to help prevent corrosion to the connection points and it is included with the kit. That's going to do it for today's look at the Hopkins Plug-In Simple Vehicle Wiring Harness with the 4-Pull flat trailer connector.

Info for this part was:

Employee Cole B
Installed by:
Cole B

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