heater blower only works on hi speed.thinking it is a bad switch or relay.what could it be.
Oct 22, 2009 at 4:17 PM
2000 Dodge Stratus
2000 DODGE STRATUS
JDODGE
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Might be resistor block. High speed doesn't use resistor.
Oct 23, 2009 at 9:28 AM
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I replaced two resister blocks over a period of a couple of months because the problem would reappear.
Finally I changed the blower motor assembly which permanently fixed the problem. Believe me, with 100K miles, they run a lot, get old and begin drawing excessive amperage which takes out the resistor block.
Do yourself a favor and save the frustration - change the blower motor at the same time. Your already there when changing the resistor block and the whole job should take even a novice under 2 hours.
Finally I changed the blower motor assembly which permanently fixed the problem. Believe me, with 100K miles, they run a lot, get old and begin drawing excessive amperage which takes out the resistor block.
Do yourself a favor and save the frustration - change the blower motor at the same time. Your already there when changing the resistor block and the whole job should take even a novice under 2 hours.
Oct 23, 2009 at 10:32 AM