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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

ac pump clutch

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Old May 13, 2006 | 12:11 AM
  #1  
chrono4's Avatar
chrono4
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From: Elkhart IN
ac pump clutch

on my 89, i cant get power to the clutch on the compressor, can i just run a toggle to it, and on which of the 2 wires do i need 12 on, and whats the other one for?
 
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Old May 13, 2006 | 08:04 AM
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Lazy K
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The problem with running the clutch from a direct wired switch is that you would bypass the low press. switch. This prevents the comp. clutch engageing if you are low on gas. You may have a faulty low press switch or you may be low on gas. As for the two wires I can only think that one is a ground. Get a meter and check the wires going into the clutch. If one is ground you will get a direct short reading with the other reading a resistance for the clutch windings. Good luck.
 
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