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98 C1500 A/C intermitent

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Old June 17th, 2012, 7:49 AM
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Default 98 C1500 A/C intermitent

My 5.0L C1500 a/c works on the 2 highest blower settings at most driving speeds. When set on the two lower speeds the a/c will slowing shutdown. Placing the blower to a higher fan speed and/or turning the a/c control off/on after the shutdown has no effect. If I shut off the truck and restart it with the blower on high the a/c begins to work again. I'm wondering if this could be vacuum related.
Old June 17th, 2012, 4:11 PM
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no vacuum controls in that car. everything is electronic. i think you have a bad blower motor resistor block.
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