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Either this is an unusual coincidence, OR the person changing the alternator inadvertently disconnected some of the A/C wiring [like a harness connector], OR damaged one the wires in the A/C circuit.
The A/C compressor has a wire to supply current to it to engage the A/C clutch, and if that wire is disconnected, cut or broken, then the A/C clutch cannot engage.
What else can I help you with?
What would cause the alternator light to come on and off. On a1989 Buick Park Avenue.?
Something can be taxing the work of the alternator, or the alternator can be weak and needs replaced.
Kia sportage air conditioner and windows wont work?
check your fuses for both problems.
Your air conditioner wont work and the windows wont roll down at the same time the dummie lights all came on and wont go off?
check the belts
How do you change the alternator on a 99 Deville?
The alternator must be removed and replaced from the bottom, as with raising the vehicle high enough to work from underneath "safely".
Why wont high beam work in my 1983 laser could it have something to do with the alternator i just replaced park and low beam are fine as are the bulbs and fuses?
It is probably a problem with switch ( the lever ) Or in the wiring (broken wire somewhere)
Why wont your speedometer work on your peugeot 306 even though you have replaced it?
you replaced speedo, so try replacing speed sensor
My 2001 Lincoln Navigator wont start anti theft light is flashing?
i replaced the fuel pump and now my theft system wont work
The security light came on after you replaced the sterring column what can you do it wont start what should you do?
have a qualified mechanic work on it.
What would cause a 2001 dodge diesel truck to lose power then beacome ok again with power but lose voltage gauge?
go have your alternator tested. when they start to go out the alternator will create alot of drag on the engine but then work fine and the engine wont have the drag but the alternator wont put out the correct amount of amperage and the votage will drop increasingly
Your airbags deployed and now your seat belts wont work how do you fix it?
The seat belts probably need replaced.
Why 1991 explorer blower wont work on high?
Either the switch or resister network has failed and needs to be replaced.
Why is it after the alternator was fixed your radio model A04012A doesn't work light comes on but nothing else?
I'm not exactly sure, but I have the same problem. My alternator was replaced and my radio does not work either, but the light comes on. Someone told me we have to go to the dealership and get the code put back in for the radio to work.
