A/C Electrical Problem? A/C Relay??
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A/C Electrical Problem? A/C Relay??
Ok, so driving out yesterday i had A/C, driving home no A/C. We narrowed it down to a possible electrical problem.
'87 PU 22re 4wd extracab ~129K mi
Things we know.
System is charged, checked it with gauges.
Compressor clutch works. Jumped it to kick on. (batt (+) to compressor)
Cooling work, if the compressor is jumped on and the throttle is helpd open, it will feel like it is slightly cooling. There is no air going through the evap coil, so it won't get cold. (truck is parked)
what doesn't work- the light behind the A/C switch. When pressing the button to turn on the A/C the compressor does not kick on. We jumpered the low pressure switch, no luck, and i think it was the high pressure switch, no luck.
I swung by Autozone, and the guy there said it could be the A/C relay? where is this located and how to test for it?? any help would be great- I live in Vegas, it was 105 today...
Thanks.
_Jon
'87 PU 22re 4wd extracab ~129K mi
Things we know.
System is charged, checked it with gauges.
Compressor clutch works. Jumped it to kick on. (batt (+) to compressor)
Cooling work, if the compressor is jumped on and the throttle is helpd open, it will feel like it is slightly cooling. There is no air going through the evap coil, so it won't get cold. (truck is parked)
what doesn't work- the light behind the A/C switch. When pressing the button to turn on the A/C the compressor does not kick on. We jumpered the low pressure switch, no luck, and i think it was the high pressure switch, no luck.
I swung by Autozone, and the guy there said it could be the A/C relay? where is this located and how to test for it?? any help would be great- I live in Vegas, it was 105 today...
Thanks.
_Jon
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