1996 dodge 3500 wiring harness | eBay Find great deals on eBay for 1996 dodge 3500 wiring harness. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword 1996 Dodge Ram 3500 Cummins diesel engine compartment wiring harness as13805 See more like this. Dodge Cummins Wiring Harness | eBay 2005 Dodge Ram 2500 3500 Engine Wire Harness Cummins P/N 3972348 3972347. Condition is Used. This is both wiring wiring harnesses for the a 2005 dodge Cummins diesel H.O. This would be considered a fu..