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Beause there is probably a short/bad connection in the switch, or the blower motor itself

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โˆ™ 2004-11-18 12:52:59
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Q: Why would the fuses for the heater keep blowing in a 1985 Blazer?
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Why do you keep blowing fuses when you turn on the heater fan but when you take out the compressor fuse it doesnt blow the fuses?

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