2004-2010 Dodge Ram Rear Door Wiring Harness 56051694AA 645-506
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- Dodge Ram 1500 rear door (2004-2008; verify cab, side, and options)
- Dodge Ram 2500 rear door (2004-2009; verify cab, side, and options)
- Dodge Ram 3500 rear door (2004-2010; verify cab, side, and options)
- Dodge Ram 4500 rear door (2008-2010; verify connector layout)
- Dodge Ram 5500 rear door (2008-2010; verify connector layout)
Product Overview
When a rear speaker, power lock, or door electrical feature cuts out as the door moves, broken copper inside the rubber jamb boot is a common cause. This replacement harness restores the flexible connection between the cab and rear door after the fault is confirmed.
Ram rear doors differ by cab, side, equipment, connector count, and production date. The harness may serve left or right applications only where every plug and circuit matches. Compare the removed harness end to end and confirm the truck's door options.
Key Features & Performance
- Complete rear-door jumper harness for matching connectors
- Replaces fatigue-broken wiring at the door jamb
- Supports compatible power-lock and speaker circuits
- Direct connector design for listed applications
Replaces Part Numbers
- 56051694AA
- 56051931AA
- 56051931AB
- 645-506
Common Uses
- Repairing a rear power lock that works only with the door partly open
- Restoring a rear-door speaker with confirmed broken jamb wiring
- Replacing a brittle or previously spliced door harness
Technical Specifications
- Product Type: Rear door wiring harness
- Vehicle Position: Rear door / cab jamb
- Connection: Vehicle-specific plugs where matched
- Condition: New aftermarket replacement
Installation & Fitment
- Disconnect the battery before unplugging door circuits
- Photograph routing and retainers
- Compare every connector and wire branch before installation
- Inspect the body-side connector and door components
- Cycle the door fully and confirm the boot does not pinch or stretch
Compatibility Notice
Northline Parts does its best to list all known compatible models. The correct part may fit an application that is not shown above. Model year, production date, serial number, engine or equipment specification, installed options, and previous repairs can change fitment. Match the original part, reference number, dimensions, connectors, mounting points, and product photos before purchase.
Frequently Asked Questions
Q: Can this fix a rear door that loses power when opened? A: Yes, if broken jamb-harness wiring is the cause. Test power, ground, switches, actuators, and modules too.
Q: Does it fit either rear door? A: Some listings use the same harness on both sides, but you must compare every connector, branch, and option.
Q: Will it add power features to a manual door? A: No. It only restores circuits the truck is already equipped to use.
Q: Is this an original-equipment part? A: No. This is a new aftermarket product. Brand names and part numbers are used only to identify compatible applications.
Part Summary
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Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, specifications, and application before purchase.