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Old 09-20-2014, 03:42 PM
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bill3302
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My blower only works on high is it the switch or the blower and how do I test? Thanks,Bill
Old 09-20-2014, 03:44 PM
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JohnZ
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Originally Posted by bill3302
My blower only works on high is it the switch or the blower and how do I test? Thanks,Bill
Year? Factory A/C or not?
Old 09-20-2014, 03:53 PM
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Originally Posted by JohnZ
Year? Factory A/C or not?
1965 396 I need not tell you AC or not.
Old 09-20-2014, 05:32 PM
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Check the restor on top of the heater box
Old 09-20-2014, 11:14 PM
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Originally Posted by bill3302
I need not tell you AC or not.
Good answer!
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Old 09-22-2014, 11:28 AM
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Originally Posted by bill3302
My blower only works on high is it the switch or the blower and how do I test? Thanks,Bill
any other suggestions?
Old 09-22-2014, 03:04 PM
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jimmies63
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Originally Posted by bill3302
any other suggestions?
On my 63, likely the same as yours, the high speed goes from the switch right to the blower. Low and med run to the resistor on top of the heater box under the hood. One wire is low, one is med and the other takes the power to the blower motor.

You could yank off the three way plug on the resistor and check for power from the switch. No power? Switch issue. Power? Either resistor is bad or line to blower. You could bridge the power line to the blower line and see if the blower line is good. If so, it's your resistor.
Old 09-22-2014, 03:25 PM
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It's going to be the resistor at the heater box or connections bad there.
Old 09-22-2014, 03:51 PM
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Old 09-22-2014, 04:04 PM
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Originally Posted by 65GGvert
It's going to be the resistor at the heater box or connections bad there.
what is the best way to get in through the glove box or the side panel console? Thanks,Bill
Old 09-22-2014, 04:18 PM
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Originally Posted by 65GGvert
It's going to be the resistor at the heater box or connections bad there.
It was un plugged. Thanks, Bill
Old 09-22-2014, 04:19 PM
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The resistor should be under the hood on the outside of the heater box. Easy access.

Anytime I have had to access the switch inside, the side panel on the dash is all you need to remove.
Old 09-22-2014, 05:44 PM
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Originally Posted by jimmies63
The resistor should be under the hood on the outside of the heater box. Easy access.

Anytime I have had to access the switch inside, the side panel on the dash is all you need to remove.
On AC cars the restor was on the out side. Standard heater boxes it inside.
Old 09-23-2014, 07:27 AM
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Originally Posted by Nowhere Man
On AC cars the restor was on the out side. Standard heater boxes it inside.

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