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How to Install: Roadmaster Single Park Light Diode on your 2003 Jeep Wrangler Video

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Info for this part was:

Employee Andrew K
Video by:
Andrew K
Employee Jeff D
Installed by:
Jeff D
Employee Jacob T
Video Edited:
Jacob T
Employee Randy B
Test Fit:
Randy B

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Products Featured in this Video


Roadmaster Single Park Light Diode


Roadmaster Accessories and Parts

141 reviews


Code: RM-690

Retail: $36.93

Price:  $21.40
  • Accessories and Parts
  • Flat Tow Wiring Harness
  • Diodes
  • Roadmaster



Do you have a question about part RM-690?more information >     


How to Install the Roadmaster Single Park Light Diode - 2003 Jeep Wrangler


Today on this 2003 Jeep Wrangler, we're going to install part number RM-690. This is the Roadmaster Single Park Light Diode. The idea behind these diodes is to prevent any backfeed from the towed vehicle going up to the RV. Typically this is used on the running light circuit where the power from the towed vehicle will backfeed up into the RV. Now we're actually going to use it for a little bit… see more >