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Old 01-02-2014, 08:07 PM
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A/C & Heater control switch

Winter time and now its 10 deg out and my heater wont work, It stayes on defrost no matter what you set it on. It will shut off if you turn to off. but goes back to defrost no matter where you turn it to. Also at the same time frame my cruise control does not work. Is this a vacuum problem if so where should I look first.
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Old 01-05-2014, 05:36 PM
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Laredo or limited?
example MT cousins 99 Laredo is vacuum powered hvac controls
my limited 02 is electronic and has stepper motors and hvac control unit
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Old 01-05-2014, 09:06 PM
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Re: A/C & Heater control switch

Steve sent me a pm response to the automated one that is sent on my behalf letting him know that I moved the post, he told me he already figured it out and it was a disconnected vacuum line.
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