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no heat or A/C

K

kwg_2371

CEG'er
Joined
Aug 20, 2008
Messages
131
Location
Springfield, IL
I had a loose fuse under the hood so the blower moter , abs and traction control wouldn't work so I tightend it back down and nothing. when you turn the dial 1-4 nothing works, now if I turn the hot and cold dial while driving i'll get warm/cold air but nothing that doesn't really do any good, when I turn the dial for upper/lower vent a/c defrost the vacum hoses make a suction sound when you turn the dial

so far what I have done is:
swap new fuses in the car that go with the blower motor and a/c, I've swapped the HVAC out with one I know for sure works, and today I swapped out the blower motor with another one and still nothing:confused: the fan just wont spin???

I'm not sure what else it could be, I really need my heat and A/C working since its getting cold out, I can't even defrost my front window

Please if you have any ideas let me know I really need to get this fixed ASAP:help:
 
Did you check the switch on the panel? Try hot wiring from the fuse to the blower and see if it works. If it does, the switch is the problem.
 
Last edited:
Tony2005 said:
Did you check the switch on the panel? Try hot wiring from the fuse to the blower and see if it works. If it does, the switch is the problem.
Click to expand...
are you talking about the switch on the HVAC? and do you know which wire is hot and which one is the ground or how does that work I dont just want to hook up a 12v source to somthing and fry it, sorry I dont know much about cars electrical stuff
 
unplug your blower motor and check for voltage at your blower motor. Use a test light or something like that. If you cant get voltage there, look at the bottom side of your fuse panel under the dash. All the way in the back corner, there is a plug with 2 wires going into it. Check and see if that is melted/burnt. If that is fine, pull out your HVAC panel. Plug your test light into one of the thick wires coming into the plug that goes to the back of your switch. If you have voltage there, but not at the fan, your switch is bad.

Hope this helps.
 
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