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Old 10-08-2004, 11:55 PM   #1
Tynee
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Wiring diagram needed

Amybody have a wiring diagram that shows the a/c / heater fan switch? I thought it was just the plug that plugs onto the back of it that was the problem, but I replaced that today (Thanks LJbear) and still no worky. I really hope I can remember to bring my service manuals back with me next week.

BTW, with the switch unplugged, shorting any colored wire to the ground should make the fan kick when the key is on, right?
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Old 10-09-2004, 12:01 AM   #2
72shadetree
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http://67-72chevytrucks.com/vboard/s...d.php3?t=30173

THIS MAY HELP
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Old 10-09-2004, 12:09 AM   #3
krue
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Try this link http://www.myoldtruck.com/photopost/...at=3036&page=1
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Old 10-09-2004, 12:14 AM   #4
Tynee
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Helpful, yes. Thank you very much. Easy to read? Not so you'd notice!
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Old 10-09-2004, 12:16 AM   #5
chickenwing
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Hows this?
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Old 10-09-2004, 12:19 AM   #6
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You guys are fast.
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Old 10-09-2004, 12:25 AM   #7
Tynee
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Found what I needed, and was reminded of the existence of the relay on the passenger side. Anybody have a definite answer on whether the fan should or shouldn't spin when 2 wires are shorted together that way? If the relay on the passenger side is shot, it should still give a low fan speed, right?
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Old 10-09-2004, 12:47 AM   #8
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correct. GP Sorenson Part# AC5
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Last edited by chickenwing; 10-09-2004 at 12:51 AM.
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