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Testing and Troubleshooting a Modulite Vehicle Wiring Harness Video

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Products Featured in this Video


ModuLite Ultra Protector Wiring Harness w/ Integrated Circuit and Overload Protection


Tekonsha Custom Fit Vehicle Wiring

8 reviews


Code: 119192

Retail: $130.38

Price:  $93.88
  • Custom Fit Vehicle Wiring
  • Trailer Hitch Wiring
  • Converter
  • Universal Fit
  • 4 Flat
  • Tekonsha



This ModuLite Ultra Protector with integrated circuit and overload protection safeguards both itself and the tow vehicle against electrical shorts or mis-wiring situations.


Do you have a question about part 119192?more information >     


Modulite Vehicle Wiring Harness Testing and Troubleshooting


All right today we are going to go over how to check over a modulite as shown right here which converts a 5 wire to a 4 wire system. We are going to go over the basics which are really simple. Basically we are just going to test input into the modulite and test the output of the modulite. That will tell us one of two things, we have no input going into the modulite, that means there is something… see more >     


Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Joshua S
Video Edited:
Joshua S
Employee Nicholas E
Test Fit:
Nicholas E
Employee Alan C
Video by:
Alan C

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