Standard Ignition S-951 HVAC Blower Motor Resistor Harness - Front or Rear

HVAC Blower Motor Resistor Harness

Standard Ignition S-951 is an HVAC blower motor resistor harness built for vehicles that use a 3-terminal female blade connection. It is designed for direct repair of heat-damaged or failed blower resistor wiring on applications such as Chevrolet Astro, GMC Safari, and Jeep Wrangler.

With an 18-inch harness length, female connector and terminal ends, and included butt splices, this harness supports clean electrical repair work where the original connector has overheated or lost contact.

Key Features

• Standard Ignition S-951 HVAC blower motor resistor harness
• 3-wire harness with female connector and female blade terminals
• 18-inch harness length for repair routing
• Includes butt splices for wire repair connections
• Built with high-grade materials for conductivity and secure electrical contact
• Direct replacement style for many GM, Ford, Jeep, and Toyota applications

Product Details

This Standard Ignition S-951 harness is made for blower motor resistor circuit repair where the connector or pigtail has failed from heat, corrosion, or terminal wear. Standard Ignition focuses on pigtails and sockets for electrical repair jobs, using materials selected to maintain solid conductivity and dependable terminal engagement. The S-951 is a practical choice for HVAC blower motor resistor harness replacement on vehicles including Chevrolet Astro, GMC Safari, and Jeep Wrangler, along with other listed GM and Ford truck and SUV applications.

This part cross-references Dorman - TECHoice 645-566 and Four Seasons 37255 for the same application.

Common Problems This Part Can Help Solve

• Melted or heat-damaged blower resistor connector
• Intermittent blower motor speed operation
• Loose, corroded, or broken terminal connections
• Loss of HVAC blower function at one or more speeds
• Damaged wiring at the resistor or HVAC harness connector

Installation Notes and Tips

Verify the vehicle’s connector style, terminal count, and harness routing before installation. This harness uses a female 3-terminal blade configuration and is intended for repair of the blower motor resistor circuit on the listed applications. Match the original wire layout carefully, and use proper splicing practices when connecting the included butt splices.

For fitment, this part fits 1992-2005 GMC Safari, rear auxiliary heater applications; fits 1995 Chevrolet Astro, factory auxiliary heat only; fits 1987-1995 Jeep Wrangler; and fits numerous Chevrolet and GMC truck and SUV applications listed for blower motor resistor harness service. It also fits 1980-1986 Ford Bronco and F-Series applications with factory or integral A/C, plus select 1983-1986 Toyota Tercel and 1984-1985 Toyota Corolla applications with a black 3-terminal female connector.

Quality Assurance

Standard Ignition builds this harness with high-grade materials and decades of electrical component development focused on technician repair needs. The design addresses common failure points found in original HVAC resistor wiring, helping restore a secure electrical connection in the blower motor circuit.