BT DieselWorks - Duramax/Allison standalone wiring harness ***We are one of the most knowledgeable and prominent Duramax standalone wiring harness manufacturers in the industry. Our reputation and professional quality work speaks for itself. We have built harnesses for customers all over the world, as well as Brand: BT DieselworksCategory: Wiring Harnesses Duramax - standaloneharness * Every Duramax Harness is recovered with new GM Spec High Temp Loom and High Temp Harness Tape. * Express Van and Savana harnesses can also be converted. (they will be significantly simplified especially the trans section) * Pricing is $541 for a Truck Engine to Chassis Harness and $636 for a Van Engine to Chassis Harness.