A-NAFTULY Blower Motor Resistor Kit for Chevy Colorado / GMC Canyon 2004-2012 — Direct-Fit, Harness Included

The A-NAFTULY 973-434 blower motor resistor kit restores proper HVAC fan speed control for compatible Chevy, GMC and Isuzu models.

This direct-fit replacement is designed to bring back multi-speed operation to your vehicle’s heating and air conditioning blower when the original resistor has failed. Built to meet or exceed OEM standards, the kit includes the resistor module and harness so you can swap the faulty part quickly with basic hand tools. It’s engineered for the lower passenger-side location used by the listed model years, and A-NAFTULY backs it with an 18-month warranty and 24/7 customer support.

Which vehicles and part numbers does this kit work with?

This resistor kit is compatible with a range of Chevrolet, GMC and Isuzu trucks and vans from the early 2000s to 2012. Confirm fit by matching the part number and physical connector on your vehicle before installation.

• Chevrolet: Colorado 2004–2012; SSR 2003–2006
• GMC: Canyon 2004–2012
• Isuzu: i-280/i-350 (2006), i-290/i-370 (2007–2008)
• Replaces: OEM part numbers 973-434 and 15218254

How will replacing the blower resistor improve my HVAC performance?

A worn or broken resistor commonly causes the blower to run at a single speed or not at all. Installing this replacement restores the full range of fan speeds so your cabin heating and cooling operate as intended.

• Restores variable fan speed control
• Eliminates stuck-high or stuck-low fan operation
• Helps ensure proper cabin airflow for effective heating and cooling

Is installation difficult and what tools are required?

Installation is straightforward for anyone with basic mechanical experience. The resistor module mounts on the lower passenger side of the HVAC housing and swaps in after removing a few screws and the electrical connector.

• No special tools required—common screwdrivers or socket set suffice
• Plug-and-play harness included to match factory connector
• Typical install time: 15–45 minutes depending on access and experience

What does the kit include and what warranty support is offered?

You receive the blower motor resistor module plus the wiring harness needed for installation. A-NAFTULY offers an 18-month limited warranty and round-the-clock customer service to assist with fitment or performance questions.

• 1 x blower motor resistor module with harness
• Meets or exceeds OEM fit and durability expectations
• 18-month warranty and 24/7 customer support from A-NAFTULY

Who is this for: Drivers or technicians owning a compatible Chevy Colorado, GMC Canyon, Chevy SSR or specified Isuzu models who are experiencing inconsistent blower operation, limited fan speeds, or no blower output. This kit is aimed at people seeking a reliable, direct-replacement resistor assembly that restores HVAC function quickly and cost-effectively without modifying factory wiring.