HOKZVIATMOTOELECS Rear Door Wiring Harness for 2004–2010 Dodge Ram 1500–5500, 645-506 OE-Fit Sealed Connectors

HOKZVIATMOTOELECS 645-506 Rear Door Harness is a direct-fit wiring pigtail that restores rear door power windows, locks and speakers on 2004–2010 Dodge Ram trucks.

This replacement rear door wiring harness (OEM numbers 645-506, 56051694AA, 56051931AA, 56051931AB) is built to re-establish factory electrical connections without splicing or guesswork. It’s designed for Dodge Ram 1500, 2500, 3500, 4500 and 5500 model years 2004–2010 and comes with sealed connectors to resist moisture and abrasion. Backed by a U.S.-based team and a one-year warranty, the harness aims to simplify repairs for DIYers and professional technicians alike.

Will this harness fit my Dodge Ram rear door?

Yes — the 645-506 replacement harness is manufactured to match the electrical layout and connector types used on 2004–2010 Dodge Ram rear doors. Confirm fit by comparing OEM part numbers or vehicle year and model before purchase.

• Compatible models: Dodge Ram 1500, 2500, 3500, 4500, 5500 (2004–2010)
• OEM cross-references: 645-506, 56051694AA, 56051931AA, 56051931AB
• Plug-and-play connectors match factory sockets
• Check vehicle VIN or current harness part label to verify

How easy is installation and what tools are needed?

The harness is designed for plug-and-play installation with factory-style connectors, so no wire cutting or splicing is required in most repairs. Basic hand tools and standard door panel removal steps are typically all that’s needed; professionals will complete installation faster, while competent DIYers can handle it in an afternoon.

• No soldering required—factory-fit pigtail connectors
• Waterproof sealing prevents shorting from moisture
• Tools: panel trim tools, screwdrivers, possibly socket set
• Instructions: follow door-panel removal and connector swap procedure

What does this harness restore and how durable is it?

This rear door harness restores power to the window motor, door lock actuator and speaker wiring at the rear door. It uses sealed connectors and abrasion-resistant sheathing to protect circuits against moisture, vibration, and wear common in door hinge areas.

• Restores rear window motor, locks and rear speaker circuits
• Hermetically sealed connectors for waterproof protection
• Abrasion-resistant jacket for hinge flex points
• Manufactured to meet OE fit and wiring layout

Who is this for? This HOKZVIATMOTOELECS 645-506 rear door wiring harness is intended for owners and technicians repairing 2004–2010 Dodge Ram trucks that have door electrical failures caused by frayed wires, broken connector pins, or water damage. It’s aimed at DIY mechanics who want a direct-fit OEM-style replacement and shops looking for a reliably built pigtail to speed repairs. If you need a one-year-backed, plug-and-play harness that restores power windows, locks, and speakers without complex rewiring, this part is a practical solution.