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Heater Blower problem

Tiny
BROX63
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I Have a 1994 Explorer 4.0L about 92K miles. The heater blower works fine most of the time, However is seems that in the afternoon or night when we take the car out the blower wont come on. The next morning it has always worked. Any ideas? Could it be the relay? I believe it is in the fuse box under the hood. I think there is relays for the heater and A/C side by side. They appear to be plug in type similar to fuses. Do you think this could be my problem? Thanks for any info.
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Sunday, February 4th, 2007 AT 11:50 AM

3 Replies

Tiny
SERVICE WRITER
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It might be a relay, but I would expect the motor just based on typical outcomes. You can swap the two relays if they are the samw to see what changes happen or don't happen.
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Sunday, February 4th, 2007 AT 12:03 PM
Tiny
BROX63
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Thanks. Someone else told me it might be the blower motor. I Thought it would either work or not work. I didnt realize it could be intermittant.
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Tuesday, February 6th, 2007 AT 2:56 PM
Tiny
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Oh yeah, they can be. There is a thing called the tap test where you rap on the right side of the dash or blower motor case to get it to work. Temporarily.
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Tuesday, February 6th, 2007 AT 3:15 PM

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