Custom Dynamics 4-Pin Trailer Wire Harness - CD-TRAILER-HARN

Item # : 670960

Processing Time: Leaves our warehouse in 3 to 4 days.

Please enter a valid email.
Signing up...
Thanks! We will notify you by email when this item is back in stock.
  • Free Shipping on orders over $49*
  • Canada
  • Easy Returns
  • SSL Secure


Custom Dynamics 4-Pin Trailer Wire Harness

Our universal trailer harness provides plug and play wire hook-up to any 4-way flat trailer plug. Extended 50" wire leads provide easy hook up for run, brake, and turn signal functions utilizing heavy duty 14 gauge wire for long lasting durability.

Use in conjunction with Custom Dynamics® Dynamic Load Isolator to electronically isolate all trailer lighting from the vehicle on Indian®, Harley-Davidson®, and other models.

Wire Hook-Up:

  • Green = Right Turn/Brakes
  • Yellow = Left Turn/Brakes
  • Brown = Taillights
  • White = Ground


  • Vehicle side
  • Fits any trailer with 4-way flat adapter plug
  • 50" wire leads
  • 14 gauge wire
  • Sold each

Manufacturer Part Number: CD-TRAILER-HARN