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Old 02-27-2018 | 03:02 PM
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ala_xfire
Senior Member
Joined: Dec 2010
Posts: 12,779
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From: Lineville, AL
Default Re: Air, hot and cold

Try feeling the 2 hoses coming from the control valves under the hood. If one is hot, and the other not, then this is the problem.
Either the solenoid coil is open, or there is a wiring fault, or the control module in the dash is not supplying a ground to the coil.