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Is my heater blower motor resistor dying ??? 700 1987

posted by  someone claiming to be kjjyip on  Sun Jul 7 08:46 CST 2002 [RELATED]

I have an '87 760GLE with automatic climate control system. Recently the blower motor is acting strangly, meaning on in the morning and off in the hot Texas
afternoon time (100 deg. F now). Since mainly my wife is driving the car with
our daughter, I have to replace the motor asap. I replaced it yesterday morning,
and sadly found out the problem is still there. Then I tried to examine the blower motor resistor. This is what I found: when I turned the knob to either one seeting, the blower is on but very small amount of air is coming out of the vent as if blower fan is not on. If I disconnect the electrical connector while the knob is at "high fan", then everything suddenly worked what it is supposed to be. I then connect the connector, turn the key off and assume the problem is in the connector. But when I come back 3 hours after, everything is not working again until I played with that same resistor. I have tried this for whole day yesterday after I put the new blower motor in and whole morning today. Is the
blower motor resistor getting bad or the connector? How can I check these
devices? Is there anything I am missing here? Any suggestions are appreciated. Thanks.

kjjyip






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New Is my heater blower motor resistor dying ??? [700][1987]
posted by  someone claiming to be kjjyip  on Sun Jul 7 08:46 CST 2002 >


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