My son has an a/c that will not work. The pump was replaced when the bearing went out, it has the correct charge but will not run. The back up lights, electric radiator cooling fan, and pollution controls are also experiencing problems. He has replaced the main computer. He thinks this all started about the time the electric fan did not shut off when the jeep was turned off. The fan has not worked since that time.
The fan relay may have went bad...if the fan doesnt come on the compressor will shut down because of excessive pressure...has he used a test light to check all the fuses under the hood and inside... pay particular attention to fuse 10 in the inside fuse box...if there is no power at all to that fuse it may be in the ignition switch
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