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

Reliable Door Wiring Harness for Dodge Ram Trucks

The Dorman 645-506 door wiring harness is designed specifically for Dodge Ram 1500, 2500, and 3500 models. This 46-inch harness features an 18-gauge wire construction with eight wires, ensuring proper electrical connectivity for your vehicle's door components.

• Length: 46 inches for optimal fit and routing
• Wire Gauge: 18 AWG for reliable current flow
• Wire Quantity: 8 wires to support multiple door functions
• Connector Configuration: 1 harness with 5 pigtails; includes 1 male and 4 female terminals
• Terminal Material: Durable copper alloy for corrosion resistance
• Terminal Gender: Combination of male and female terminals for secure connections

Technical Details and Construction

The Dorman 645-506 door wiring harness is engineered with copper alloy terminals that provide excellent conductivity and resistance to corrosion, which is critical for maintaining consistent electrical performance in the door assembly. The harness includes one main harness with five pigtails, featuring a mix of male and female terminals to match factory connections. With eight 18-gauge wires, this harness supports various door electrical components such as power windows, locks, and mirrors. Its 46-inch length is tailored to fit Dodge Ram 1500, 2500, and 3500 trucks, ensuring proper installation without excess slack or tension.

Compatible Dodge Ram Models and Applications

This door wiring harness is compatible with the following Dodge Ram models:

• Dodge Ram 1500
• Dodge Ram 2500
• Dodge Ram 3500

It is designed to replace worn or damaged door wiring harnesses that can cause electrical issues in door components.

Common Issues Addressed by This Wiring Harness

• Intermittent or non-functioning power windows
• Door lock electrical failures
• Malfunctioning side mirror controls
• Broken or frayed wiring causing shorts or open circuits
• Corroded or damaged connectors affecting signal transmission

Installation Notes and Tips

• Ensure vehicle battery is disconnected before installation to prevent electrical shorts
• Compare the new harness with the original to verify connector types and wire count
• Route the harness carefully to avoid pinching or abrasion against door components
• Secure connectors firmly to prevent loose connections
• Test all door electrical functions after installation to confirm proper operation

Quality Assurance and Warranty

Dorman manufactures this door wiring harness to meet or exceed OEM specifications for fit, form, and function. The copper alloy terminals provide durability and corrosion resistance to extend service life. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman's official warranty policy for complete information.