Dorman 645-506 Door Wiring Harness - Rear Left or Rear Right
OE Quality 60-Day Returns
Dorman

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

Brand Dorman 645-506
Position Rear Left
Connector/Terminal Configuration 1 Harness with 5 Pigtails; 1 male; 4 Female
Length 46
Package Contents 1 Harness
Terminal Gender Male and Female
Terminal Material Copper Alloy
Wire Gauge Measurement 18
Wire Quantity 8
Fits Dodge · 42 vehicles

OE-style replacement. Matches the original harness's fit, function, and appearance.

Durable construction. Built for reliable performance in demanding use.

Copper alloy terminals. Promote dependable electrical connections.

Cross-references 56051694AA for the same application. See all 1.

$164.14Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $164.14
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Door Wiring Harness options

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.

This part fits 42 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody Type# DoorsPositionNotes
2010DodgeRam 3500Cab & Chassis4 DoorRear LeftPower Locks
2010DodgeRam 3500Cab & Chassis4 DoorRear RightPower Locks
2009DodgeRam 2500Crew Cab Pickup—Rear LeftPower Locks
2009DodgeRam 2500Crew Cab Pickup—Rear RightPower Locks
2009DodgeRam 3500Cab & Chassis4 DoorRear LeftPower Locks
2009DodgeRam 3500Crew Cab Pickup—Rear LeftPower Locks
2009DodgeRam 3500Cab & Chassis4 DoorRear RightPower Locks
2009DodgeRam 3500Crew Cab Pickup—Rear RightPower Locks
2008DodgeRam 1500Crew Cab Pickup—Rear LeftPower Locks
2008DodgeRam 1500Crew Cab Pickup—Rear RightPower Locks
2008DodgeRam 2500Crew Cab Pickup—Rear LeftPower Locks
2008DodgeRam 2500Crew Cab Pickup—Rear RightPower Locks
2008DodgeRam 3500Cab & Chassis4 DoorRear LeftPower Locks
2008DodgeRam 3500Crew Cab Pickup—Rear LeftPower Locks
2008DodgeRam 3500Cab & Chassis4 DoorRear RightPower Locks
2008DodgeRam 3500Crew Cab Pickup—Rear RightPower Locks
2007DodgeRam 1500Crew Cab Pickup—Rear LeftPower Locks
2007DodgeRam 1500Crew Cab Pickup—Rear RightPower Locks
2007DodgeRam 2500Crew Cab Pickup—Rear LeftPower Locks
2007DodgeRam 2500Crew Cab Pickup—Rear RightPower Locks
2007DodgeRam 3500Cab & Chassis4 DoorRear LeftPower Locks
2007DodgeRam 3500Crew Cab Pickup—Rear LeftPower Locks
2007DodgeRam 3500Cab & Chassis4 DoorRear RightPower Locks
2007DodgeRam 3500Crew Cab Pickup—Rear RightPower Locks
2006DodgeRam 1500Crew Cab Pickup—Rear LeftPower Locks
2006DodgeRam 1500Crew Cab Pickup—Rear RightPower Locks
2006DodgeRam 2500Crew Cab Pickup—Rear LeftPower Locks
2006DodgeRam 2500Crew Cab Pickup—Rear RightPower Locks
2006DodgeRam 3500Crew Cab Pickup—Rear LeftPower Locks
2006DodgeRam 3500Crew Cab Pickup—Rear RightPower Locks
2005DodgeRam 1500Crew Cab Pickup—Rear LeftPower Locks
2005DodgeRam 1500Crew Cab Pickup—Rear RightPower Locks
2005DodgeRam 2500Crew Cab Pickup—Rear LeftPower Locks
2005DodgeRam 2500Crew Cab Pickup—Rear RightPower Locks
2005DodgeRam 3500Crew Cab Pickup—Rear LeftPower Locks
2005DodgeRam 3500Crew Cab Pickup—Rear RightPower Locks
2004DodgeRam 1500Crew Cab Pickup—Rear LeftPower Locks
2004DodgeRam 1500Crew Cab Pickup—Rear RightPower Locks
2004DodgeRam 2500Crew Cab Pickup—Rear LeftPower Locks
2004DodgeRam 2500Crew Cab Pickup—Rear RightPower Locks
2004DodgeRam 3500Crew Cab Pickup—Rear LeftPower Locks
2004DodgeRam 3500Crew Cab Pickup—Rear RightPower Locks
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
56051694AA