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No power to ac compressor
- Gyro
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7 years 8 months ago #20073
by Gyro
No power to ac compressor was created by Gyro
02 F150 4.6 i hav power to 2 leads at my relay but relay not clicking. From watching ur video if i understood right, my prob is going to be between relay and computer, right? I dont hav a clue where to begin on diagnosing. And yes i my relay is good i swapped them around. Thanks for some guidance
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- cheryl hartkorn
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7 years 8 months ago #20074
by cheryl hartkorn
Replied by cheryl hartkorn on topic No power to ac compressor
does the system have aby refrigerant in it? the pressure sensors are an input to the pcm to turn the ac on
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7 years 8 months ago #20075
by Gyro
Replied by Gyro on topic No power to ac compressor
Yes system is charged
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7 years 8 months ago #20076
by Gyro
Replied by Gyro on topic No power to ac compressor
I hav also ran power directly to compressor and it did nothing. At that time i decided to go with new compressor but i dont want to spend the money until i can at least get power to it. Also checked gap .018 on clutch
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7 years 8 months ago #20081
by cheryl hartkorn
Replied by cheryl hartkorn on topic No power to ac compressor
have you tried jumping the relay? the compressor should engage. but you said you put power directly to it and it did nothing. jumping the relay should put power directly to the compressor. if you dont get any check the wire from the fuse box to the compressor.
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7 years 8 months ago #20082
by cheryl hartkorn
Replied by cheryl hartkorn on topic No power to ac compressor
www.revbase.com/BBBMotor/Wd/DownloadPdf?id=29279
these should help. also might want to check the diode
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7 years 8 months ago - 7 years 8 months ago #20091
by Gyro
Replied by Gyro on topic No power to ac compressor
Yes hav jumped switches. There is no power goin to compressor if relay wont work. There is no power to diode if compressor has no power. Right?
Last edit: 7 years 8 months ago by Gyro. Reason: Left out a word
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7 years 8 months ago #20138
by Noah
"Ground cannot be checked with a 10mm socket"
Replied by Noah on topic No power to ac compressor
Exactly what I was thinking. If there's no power to the clutch and it doesn't work when you give it power, you may be looking at multiple issues
"Ground cannot be checked with a 10mm socket"
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