A/c not engaging
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
Have you unplugged the high pressure switch and check the terminals? I have seen the terminals on the switch itself get loose. Remove the plug and see if they wiggle. Replacing the switch cured the problem on my friend's company trucks. One was a '97 F350 and the other a 2000 F350. I also used a pick to bend the connections in the harness plug to get a tighter fit. They both have been working fine since the repairs.
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
Have unplugged the high pressure switch and check the terminals? I have seen the terminals on the switch itself get loose. Remove the plug and see if they wiggle. Replacing the switch cured the problem on my friend's company trucks. One was a '97 F350 and the other a 2000 F350. I also used a pick to bend the connections in the harness plug to get a tighter fit. They both have been working fine since the repairs.
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
Thread Starter
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More Turbo
Joined: Jan 2010
Posts: 571
Likes: 8
Mueckster thanks for the help I bent the terminal a little bit and it works awsome now plug is nice and snug blows cold air. My wife thanks you driving has been miserable last. Purple weeks windows down dripping sweat. Thanks again guys.
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