70 442 High Speed fan With AC

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Apr 9, 2012 | 07:52 PM

kdp4

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Joined: Apr 2012

Posts: 7

70 442 High Speed fan With AC

Fan runs on first three speeds but stops on high. What do I need to do?

Apr 9, 2012 | 08:05 PM

Lady72nRob71

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Joined: Feb 2008

Posts: 11,798

From: Plano, TX

Check the fuse in the little holder that comes off the horn relay junction post. Also look for burned connections.
Can you hear the relay by the brake booster click when you switch to high?

Apr 9, 2012 | 08:06 PM

72442conv

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Joined: Jan 2012

Posts: 82

There is an inline fuse in the firewall, in the are behind the distributor. Change that fuse and your problem should be gone.

Apr 10, 2012 | 04:39 AM

My442

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Joined: Feb 2009

Posts: 2,257

The blower resistor on the A/C box under the hood is corroded.

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