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Old 09-21-2014, 02:40 AM   #1
leddzepp
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Join Date: May 2007
Location: Southern Cal
Posts: 20,001
Fan will not operate at HI speed

I have a 68 factory AC system, and cannot get the fan to operate on HI speed. I have swapped in both a control panel switch and a relay (located on the side below the glove box) and the results stay the same: the fan will operate at LO speed (sounds tired and slow), medium speed seems OK (not really robust), and HI speed, it craps out and runs real slow, or almost not at all. Is the fan just "wore out", or am I missing something else?
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed.

1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck.


RIP ElJay
RIP 67ChevyRedneck
RIP Grumpy Old Man
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