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Trailer Wiring Harness Installation - 2003 Toyota Tacoma Video

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How to Install a Trailer Wiring Harness on a 2003 Toyota Tacoma


Today on our 2003 Toyota Tacoma, we'll be installing the Tow Ready T1 Vehicle Wiring Harness, with a four pole flat trailer connector, part number 118379. We'll also be installing a bracket, part number 18144. We'll begin here on the driver side tail light, where we'll need to remove four screws. Next, we'll need to disconnect the factory wiring from the back of the tail light. Push in on this… see more >     


Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Joshua S
Video Edited:
Joshua S
Employee Shane T
Test Fit:
Shane T

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