99 Ford Contour - heater motor

turn motor on, lose 2-3000 rpm, engine becomes very sluggish. Have to drive with only forced heat and it is 10 degrees today. Please help.

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Reply to
sawthedog
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It sounds like the heater motor is putting a strain on the alternator which in trun is causing the decrease in RPM.

could the heater motor be developing a short?

Reply to
happyD

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