How to Troubleshoot a Blower Fan Not Working?

Answer To determine the cause of a blower fan failure, isolate the motor, and perform some basic electrical tests. Bring broad knowledge of electricity and specific knowledge of the use of electrical test... Read More »

Top Q&A For: How to Troubleshoot a Blower Fan Not Working

How to Troubleshoot a Trans Am Blower Motor Not Working on a High Setting?

The blower motor on the Pontiac Trans Am blows heat from the vents at different speeds. From time to time, blower motors can develop problems. One such problem is when the blower only works at cert... Read More »

How to Troubleshoot a Blower Fan?

The blower is a motor that powers the fan on your car's heating and cooling system. When the blower is functioning properly, it allows the fan to blow either hot or cold air at a variety of air spe... Read More »

How to Troubleshoot the Blower in a '95 Astro?

If the blower on your 1995 Chevrolet Astro van is malfunctioning, there could be three possible issues: either the blower fuse has blown, the blower's wiring connector is loose or the blower motor'... Read More »

How to Troubleshoot a Blower Motor Resistor?

The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high. This can be annoying, but troubleshooting is easy. If you start at the blower m... Read More »