No HVAC at all...help. - Maintenance and Repair Forum

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No HVAC at all...help.
Saturday, September 30, 2006 5:22 PM
Ok.
Checked hvac fuse, and blower motor fun under hood. Testes the hvac fuse to hvac. Tested blower motor fuse to blower motor. Took blower motor out and tested it... works good. Took out the little circuit board, its not broken and when i tested it with a multimeter, it shows that nothing is broken. I tested the hvac speed switch to blower motor wires...all good. Tested hvac speed switch...all good.

help!!

So far nothing shows that theres a broken wire or no power. I posted last week that it was working intermittenly. The blower motor would turn off byitself, when changing speeds, and would come back on. On thursday it just stopped working.

ideas??

Nate



Evolution of Cavyboy-->C22t--> C24na--->c24s/c
1995 Cavalier W/2k1 Engine
GM S/C 13.940@99.78pmh w/2.068 60ft

Re: No HVAC at all...help.
Saturday, September 30, 2006 5:36 PM
theres no air coming out at all!! the blower motor doesnt even turn on



Evolution of Cavyboy-->C22t--> C24na--->c24s/c
1995 Cavalier W/2k1 Engine
GM S/C 13.940@99.78pmh w/2.068 60ft
Re: No HVAC at all...help.
Saturday, September 30, 2006 6:06 PM
Possibly a bad ground somewhere?
Re: No HVAC at all...help.
Saturday, September 30, 2006 6:24 PM
hey C24s/c, I dont have AC at all either.... someone said to change the HVAC controller and I did that, it still doesnt work... When your car is on, is the light on when the knob is in the "OFF" position? Mine is on the whole time. I notice the fan works when you pull the fuse out the side of the car. It blow warm/hot air. I checked all my fuse and they're all good. I wire and one other part that doesnt seem to be connected. Look at yours and see if its the same... maybe we can fix this together if tell each other what we've done.

Look at this post you made earlier at the picture I posted about the wires.

http://www.j-body.org/forums/read.php?f=11&i=114079&t=114079
Re: No HVAC at all...help.
Sunday, October 01, 2006 1:32 PM
Ok.. I tried couple things but still not working... I pulled all the Fuses that has A/C on it... The light is still on when its in the "OFF" position. so for some reason it thinks the A/C is on but its actually on the off position. When I push the A/C, the light goes off. When I push it again, the light comes back on and I can hear and see the RPM go up just a bit like when you turn on the A/C. So for some reason it thinks its on. Anyone have any idea???
Re: No HVAC at all...help.
Monday, October 02, 2006 5:51 AM
Your compressor is electrically connected?

I disconnected mine once when the compressor seized, until I could get it fixed.
Light still worked etc-- you may have a disconnect at the compressor


Just a thought


Alont
Re: No HVAC at all...help.
Saturday, October 07, 2006 4:43 PM
ok.... I'm done... cant figure it out... any last suggestions? I made sure all the wires are plugged in and all the fuses are good again. I changed the hvac controller and its the same. If you guys got your AC fixed, how much was it?

Hope someone can help me on this...

thanks
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