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Why does my Chevy S-10 heater fan stop working?

Why does my Chevy S-10 heater fan stop working?

If this system is wired as a simple circuit and has a ground side resistor to provide speed changes, that’s how it reduces the current flow. when using “hi blower” the resistance would be in the melted connector you found. If this system is controlled by a more complex climate control it may be scanned or self tested.

What to do if your Chevy S-10 blower does not run?

The other 2 does fine. 1993 chevy s-10 2wd truck, no heat nor a/c, compressor does not run regardless of switch position. This has happened to me as well. The fix is a simple $18-$25 part, the Resistor Block, which is located inside the back Firewall adjacent to the Blower Motor Housing. Two (2) screws and it pops right out.

Why does my air conditioner blower not work?

We’ve got a little extra weirdness going on in this one ’92 s10. The blower will work, but only after tapping on the resistor/relay/fan speed switch. Changing the fan speed or turning the blower on or off will cause it to fail again until you give the relay another good tap or two.

What kind of heat does a 1993 Chevy S-10 have?

Just the highes speed don’t work. The other 2 does fine. 1993 chevy s-10 2wd truck, no heat nor a/c, compressor does not run regardless of switch position. This has happened to me as well.

If this system is wired as a simple circuit and has a ground side resistor to provide speed changes, that’s how it reduces the current flow. when using “hi blower” the resistance would be in the melted connector you found. If this system is controlled by a more complex climate control it may be scanned or self tested.

What are common reasons my Chevrolet Blazer has heater problems?

What are common reasons my Chevrolet Blazer has heater problems? While there are a variety of reasons your Chevrolet Blazer heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.

The other 2 does fine. 1993 chevy s-10 2wd truck, no heat nor a/c, compressor does not run regardless of switch position. This has happened to me as well. The fix is a simple $18-$25 part, the Resistor Block, which is located inside the back Firewall adjacent to the Blower Motor Housing. Two (2) screws and it pops right out.

We’ve got a little extra weirdness going on in this one ’92 s10. The blower will work, but only after tapping on the resistor/relay/fan speed switch. Changing the fan speed or turning the blower on or off will cause it to fail again until you give the relay another good tap or two.

What to do when your heater fan stops working?

Fuse Good Relay (fan speed under hood) on firewall replaced Still no power getting to blower motor (purple wire) Mechanic found the harness plugging into the fan switch in the dash had melted. Unplug and take a look at yours. A.C. and heat blower now work. I was surprised the meltdown in harness dident blow any fuses 3 people found this helpful.

Why is my blower not working on my Chevy Silverado?

Another common problem will be the blower motor will stick in the ON position and never shut off. You can access the resistor module behind the fuse box located on the driver’s side lower dash compartment. You must visually inspect the resistor, and make sure it isn’t melted or burnt. If it is, then replace it.

When to replace the heater fan control switch?

If you have replaced the blower motor and blower motor resistor on your ’95-’98 GM truck or SUV, and your fan only works on high or doesn’t turn on at all, your heater fan control switch needs to be replaced. This video explains on how to do replace this part. Thanks for watching. Loading…

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Ruth Doyle