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Topic Review (Newest First)
11-11-2011 06:32 PM
cobalt327 Yes- by all means check the fuse or circuit breaker used to protect the motor before replacing it.

The wiring diagram is of a 1978 Camaro but it is similar to your '80 F-body.
11-11-2011 06:12 PM
eloc431962 Also i would do a test on it before i pulled it just to be sure if that's where the problem is, JMO and have you pulled and checked the fuses ?
But it does sound like the blower has went bye bye though.


Cole
11-11-2011 06:01 PM
eloc431962 Should be under the hood on the firewall on the passenger side. might be alittle tight around the inner fender but should not be real bad. JMO
Look for what is in the pic below.

Cole
11-11-2011 05:48 PM
valtiel43
Quote:
Originally Posted by cobalt327
The resistor(s) that give low and medium speeds on the fan can burn out, but if put on "High", it should work unless something else is wrong. I'd need a wiring diagram to know for sure if the fan is protected by a fuse or circuit breaker and to know the location, but this needs to be checked.

I'd check for voltage at the fan motor w/the fan switch set to all the speeds. If you have voltage and no motor, the motor is either bad or has problems like worn out brushes. Probably the easiest thing to do if there's voltage but no motor action is just replace the motor.

For the rear defroster, there are 'kits' that supposedly repair any breaks in the conductor strips. I've never used this, but am aware it exists.

http://www.frostfighter.com/catalog.htm
I think it might be the motor then since I get nothing out of the vents on any of the settings.

Do you know if the blower motor is behind the dash somewhere or under the hood?
11-11-2011 06:24 AM
cobalt327
Quote:
Originally Posted by valtiel43
I've got a 1980 Firebird it has a Chevy 350 swapped into it. The heater in it doesn't do anything at all. It doesn't make any noise when I turn it on. I really just need it for the defroster because it's that time of year. When I press the button for the rear defrost it makes a click sound and the light comes on.

I'm not sure where to begin. Any advice? Maybe a wiring diagram for the heating system? Thanks
The resistor(s) that give low and medium speeds on the fan can burn out, but if put on "High", it should work unless something else is wrong. I'd need a wiring diagram to know for sure if the fan is protected by a fuse or circuit breaker and to know the location, but this needs to be checked.

I'd check for voltage at the fan motor w/the fan switch set to all the speeds. If you have voltage and no motor, the motor is either bad or has problems like worn out brushes. Probably the easiest thing to do if there's voltage but no motor action is just replace the motor.

For the rear defroster, there are 'kits' that supposedly repair any breaks in the conductor strips. I've never used this, but am aware it exists.

http://www.frostfighter.com/catalog.htm
11-11-2011 04:04 AM
valtiel43 I do want to add that the rear defroster does work. But only like 5 of the strips actually work, does anybody know a way to get them all working? Or is it some ridiculous process? I don't wanna have to replace the windshield or anything major.
11-11-2011 02:48 AM
valtiel43
Heater in Firebird doesn't work

I've got a 1980 Firebird it has a Chevy 350 swapped into it. The heater in it doesn't do anything at all. It doesn't make any noise when I turn it on. I really just need it for the defroster because it's that time of year. When I press the button for the rear defrost it makes a click sound and the light comes on.

I'm not sure where to begin. Any advice? Maybe a wiring diagram for the heating system? Thanks

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