Why is the blower on my GMC not working?

Why is the blower on my GMC not working?

A few brief tests revealed the Blower Control Module had failed and was not providing power to the blower motor. Gm vehicles with digital climate control use a Blower Control Module instead of a Blower Resistor to control power to the blower motor. Failure of this module and it’s manual HVAC counterpart the Blower resistor is common.

How to test a GMC Sierra blower motor?

Use only Duraseal splice sleeves. Other splice sleeves may not protect the splice from moisture or provide a good electrical connection. •Install the new connector. Use the yellow splice sleeves provided with the connector. •Install the new blower motor resistor. •Reinstall the fuses. Test the blower motor to make sure all speeds are functional.

How long does a GMC Sierra blower last?

This may be accompanied by a burning smell or smoke. This special coverage covers the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership.

Is the blower motor control module covered by warranty?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I hate to tell you guys but this is covered by GM under warranty – even if your truck is out of the warranty period.

A few brief tests revealed the Blower Control Module had failed and was not providing power to the blower motor. Gm vehicles with digital climate control use a Blower Control Module instead of a Blower Resistor to control power to the blower motor. Failure of this module and it’s manual HVAC counterpart the Blower resistor is common.

Is the blower resistor on my GMC Sierra on fire?

This was preformed on a 2004 GMC Sierra with a blower resistor that had been on fire and melted the wiring. Loading…

How to replace an AC blower control relay?

Simply remove the screws, unplug the electrical connector on the resistor and the pigtail that secure the blower motor resistor from the blower, remove the resistor or heater control relay assembly, and install the new resistor in place. OEM Fit, Quality, Finish – All mounting ports and sockets on the resistor are identical to your factory part.

Where is the AC blower control module located?

See below for full vehicle list. Replaces Part# 1580567, 93803636, 52413530, 89018778, 4P1516, 52409643, 20340, 15-80567, 52495874 – Located under the dash panel on the passenger side.