duramax wiring harness | eBay Find great deals on eBay for duramax wiring harness. Shop with confidence. Skip to main content. eBay Logo: 2004 GMC 2500/3500 DURAMAX DIESEL FRAME WIRING HARNESS EXT CAB SHORT BOX PN 4544. Pre-Owned. $133. From Canada. Buy It Now 29541371 ALLISON TRANSMISSION WIRING HARNESS CHEVY DURAMAX See more like this. 06-10 GM 6 Duramax Allison Transmission - Diesel Power Allison Transmission LBZ/LMM Internal Transmission Wiring Harness This is a genuine OEM Allison replacement internal wire harness. This harness will work on the LBZ & LMM pickups with the Allison 6-Speed transmission.
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