2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

Need someone to help me

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Old Aug 24, 2008 | 02:34 PM
  #1  
Stage4's Avatar
Stage4
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Default Need someone to help me

Can someone check something for me? My A/C clutch isn't coming on, so I've checked everything that could be blown, and can't find a thing. I've pulled the 2-wire harness off of the clutch, and neither of the wires are getting voltage when i turn the A/C on. One wire is black, the other is Pink with a blue stripe. Can someone tell me if one of these should be getting power? I assume it's the pink one. I'm not sure how else it would know when to kick on. Anyways, it's easy to access from under the car, so if nobody knows, can someone check theirs? Thanks
Old Aug 25, 2008 | 01:06 PM
  #2  
owero01's Avatar
owero01
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Check the fuse for the A/C. Don't know which one.
Old Aug 25, 2008 | 01:28 PM
  #3  
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J2L06GT
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If your A/C system has lost pressure, that will prevent
compressor from coming on.
Old Aug 28, 2008 | 08:47 PM
  #4  
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Stage4
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thanks guys. fuses, diodes, and relays are all functioning properly. I understand that loss of pressure would prevent that, but wouldn't the compressor still get power to it when i turn on the A/C? Neither of the wires ever get power to them, and it seems pressure or not one of them should get power to activate the clutch. So frustrating. I do not want to take this to Ford to fix.
Old Aug 29, 2008 | 10:47 AM
  #5  
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J2L06GT
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You don't want the A/C to run with low pressure because it
will destroy the compressor. You can get a test gage at any
auto parts store to check it yourself, some may test for free.

The pressure switch is next to ABS box on line that runs
to coil infront of radiator, drivers side front.

Last edited by J2L06GT; Aug 29, 2008 at 10:55 AM.




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