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Old Jun 9, 2012 | 08:50 PM
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Default fan switch

My fan switch works fine but when you put it on highest speed it goes off. 1975 coup any ideas?
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Old Jun 9, 2012 | 09:18 PM
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There is a relay for hi, and a fusible link in that circuit. When you push the switch to hi, it closes the relay and feeds the blower thru a 10ga red wire. The relay or the fuse link is the highest probablity of your fault.
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Old Jun 10, 2012 | 08:35 AM
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Thanks I was thinking it was the resistor .I hate changing things that are not the problem.That relay must be that silver box located right there next to resistor?
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