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All new one piece standalone Duramax ECM and engine harness laid out with its connectors, fuse and relay block, and pigtailsLMM harness
Main ECM/engine harness
New one piece harness · 2007.5–2010

All new one piece standalone LMM harness

Set up for your engine: LMM MAF · 2 pin alternator. For pickup truck engines only. Not for Van, Kodiak or TopKick.

Base price: $1,167.00

Transmission harness
GPCM / glow plug harness
Alt fire cam

Cam not included.

Accelerator pedal connector style

Pedal not included. Car or truck pedal with the GT150 6 pin connector.

Car
Truck
Quantity

Choose all 4 options to add this harness (0 of 4 chosen).

  • Shipping Insured FedEx Ground, 5–7 days. Flat $58.63 per harness. Continental U.S. only.
  • Secure checkout PayPal, Pay Later, or a debit or credit card.
  • Questions? Ask Ken about your build before you order.

Our All New One Piece Standalone LBZ and LMM harnesses are for Closed Course Competition Race Only and are built without emissions circuits. Payment of our invoice is an agreement from the buyer and acknowledges that the products will be used for off-highway closed-course competition use only. Furthermore, the buyer is completely responsible for knowing if the product can be legally used in the jurisdiction where the product is being used, whether on land, water or in the air.