Dorman 645-506 Door Wiring Harness - Rear Left or Rear Right

Dorman Door Wiring Harness for Ram Trucks

This Dorman door wiring harness is built for rear door electrical repair on select Dodge Ram trucks. It matches the original harness fit, function, and appearance for a direct replacement on power lock applications, with copper alloy terminals and an 18-gauge, 8-wire layout for dependable signal transfer.

• Direct replacement door wiring harness for rear left and rear right applications
• Fits 2004-2010 Dodge Ram 3500, rear left and rear right, power locks
• Fits 2004-2009 Dodge Ram 2500, rear left and rear right, power locks
• Fits 2004-2008 Dodge Ram 1500, rear left and rear right, power locks
• 46-inch length for vehicle-specific routing
• 18-gauge wire construction with copper alloy terminals
• Connector configuration: 1 harness with 5 pigtails, 1 male, 4 female

Part number 645-506 is engineered to restore the original door harness layout on Dodge Ram 1500, Ram 2500, and Ram 3500 models with rear power lock wiring. The harness is designed to match OE fit and appearance while providing durable electrical performance in the door-to-body wiring path. This part cross-references Mopar 56051694AA for the same application.

Common Repair Uses

• Broken or intermittent rear door power lock operation
• Damaged wiring from repeated door opening and closing
• Electrical faults caused by worn insulation or failed conductors
• Connector damage at the rear door harness interface
• Restoration of factory-style rear door wiring on Ram trucks

Installation Notes and Tips

Verify rear left or rear right placement before installation. Compare the original harness routing, connector style, and terminal layout to the replacement part number 645-506 to confirm a proper match. Inspect the door jamb area, hinge-side wiring path, and connector terminals for related wear before completing the repair.

Quality Assurance

Dorman designs this harness to match the fit, function, and appearance of the original equipment harness on specified vehicles. It is engineered for durability and reliable performance in rear door power lock applications.