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GM Engine Wiring Harness (2015-2016)

12677187 / 12660889
Fits: 2015-2016 GM/Duramax
Pricing: $867.72


GM OEM Engine Wiring Harness (LML). GM OEM Engine Wiring Harness includes connector leads to the following: Injectors, Glow Plugs, Glow Plug Module, Turbo Sensor, FPR, Fuel Rail Pressure Sensor Pigtail Harness, Cam Sensor, Crank Sensor, Fuel Temp Sensor, Y-Bridge Sensor, Fuel filter Housing Sensor(2), Bail Connectors(2), Coolant Temp Sensor, Passenger block ground. (Some Harness connections Vary)

No Returns on Electrical Harness if Packaging is open.

It is always advisable to Call with your Vin number to check fitment and build date (located on DS Door Jamb)


  • 12677187 / 12660889
  • 12677187 / 12660889
  • GM
  • New


Shipping Information

  • Item Requires Shipping
  • 6.0 lbs.
  • W13.0000” x H6.0000” x L24.0000”

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