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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to be taking a look at the 4-Way Flat Adapter for the Hopkins Tow Doctor Trailer End Test Unit. This harness connects to the Tow Doctor and connects to the 4-Way Flat Connector on your trailer. It then allows you to test your trailer's wiring and different functions to make sure that everything is working properly. The connector right here that connects to the tow dolly has the threaded locking ring. You plug it in, thread that down for a really nice, tight, secure connection. You're going to have about 10 inches of wiring right here. This end easily connects to the 4-Way Flat Connector on the trailer, and then you can use your Tow Doctor to test all the wiring and its functions.
That's going to do it for today's look at the 4-Way Flat Adapter for the Hopkins Tow Doctor Trailer End Test Unit.
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