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Old 03-05-2011, 06:28 AM
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Re: Help: Klutch Needs A Second Opinion

My 2 Cents....I think the physical presence of the snow is a red herring. Sounds like an electrical problem that happens when it's cold and humid. I would start by checking the blower motor relay. Of course it would have been working when the dealer had your Jeep. I hate intermittent electrical problems!!

Here's a description: The ISO-standard blower motor relay is an electromechanical switch that uses a low current input from the ignition switch to control the high current output to the blower motor. The movable, common feed relay contact is held against the fixed, normally closed relay contact by spring pressure. When the electromagnetic relay coil is energized, it draws the movable common feed relay contact away from the fixed, normally closed relay contact and, holds it against the fixed, normally open relay contact. This action allows high current to flow to the blower motor.

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