Question about 1998 Chevrolet S-10 Pickup
Heater motor runs full time very slow, normal for ventilation purposes.
When used on A/C, it still runs slowI..
When used for heat, the control has 3 speeds, none of which seem to work.. The motor has only one wire to it, the other side must be grounded through the mounting. What gives it the 3 speeds,? Is there by any chance a pc board in the circuit to contol the speeds.?
If so, give me a clue where to look for it.
If I put separate 12 volt power to the motor lead, it runs like crazy..
Thanks for your help... Harry in Easton, Pa.
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Posted on Jan 02, 2017
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