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A/C clutch not getting power

Tiny
HSPHIGI
  • MEMBER
  • 1998 FORD MUSTANG
  • 170 MILES
Have power at low pressure switch. (Attached to evaporator. Correct?). Jumpered it, no clutch engagement. Refrigerant pressure good.I have read about fuses, replays, and ccrm. Visually inspected all fuses I know about, nothing apparently bad, but I don't know about relays (which) or how to test.1) where is high pressure switch, and how to test? 2) how to test ccrm, if that is the next step thanks! Steve
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Monday, July 30th, 2012 AT 12:17 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Start with basics. What are the exact pressures?

The low switch is on the dryer, that is one of the signals that turns on the compressor. The high side turns off the compressor in the event of too high pressure.

Start with basics

Roy
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Monday, July 30th, 2012 AT 1:20 AM

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