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AC blower wiring help, '72 Runner
#1828139
05/16/15 11:42 PM
05/16/15 11:42 PM
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Joined: Mar 2005
Posts: 170 Western., NY
sco440
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OP
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Joined: Mar 2005
Posts: 170
Western., NY
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My question pertains to my AC blower wiring. According to my FSM p. 8-154 there is a green wire C5-14DGN attached to the air conditioning motor (assuming this is the blower motor). I have a green wire with a grey plastic boot plug plus a ground on the engine bay side of my blower. The FSM says this wire goes to the # 4 spot in the bulkhead. I am I reading it right? This powers the blower motor? When I hook it up like this I get nothing from my blower switch. What am I doing wrong?
'72 Road Runner '72 Dart Swinger 340 '12 Challenger R/T
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Re: AC blower wiring help, '72 Runner
[Re: sco440]
#1828509
05/17/15 02:22 PM
05/17/15 02:22 PM
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Joined: Jan 2003
Posts: 6,224 JERSEY
RJS
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master
Joined: Jan 2003
Posts: 6,224
JERSEY
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Is it grounded well? The Black ground wire goes to a wiper motor stud. Is that Green wire "hot", switch good or maybe sticky???? Have to do some basic homework.
Last edited by RJS; 05/17/15 02:24 PM.
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Re: AC blower wiring help, '72 Runner
[Re: sco440]
#1828845
05/17/15 10:57 PM
05/17/15 10:57 PM
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Joined: Mar 2005
Posts: 170 Western., NY
sco440
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OP
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Joined: Mar 2005
Posts: 170
Western., NY
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THX, it seems to be in the high med low blower motor switch. Got the blower to work by jiggling the switch but only on high level with ac lever on max. I have no med or low blower levels. Took the switch apart and cleaned terminals, no change. Do they go bad?
'72 Road Runner '72 Dart Swinger 340 '12 Challenger R/T
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Re: AC blower wiring help, '72 Runner
[Re: sco440]
#1829695
05/18/15 11:39 PM
05/18/15 11:39 PM
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Joined: Mar 2005
Posts: 170 Western., NY
sco440
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OP
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Joined: Mar 2005
Posts: 170
Western., NY
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Well now I can get high and medium to work, but still no low. The blower resistors are all intact, not really sure how to test them
'72 Road Runner '72 Dart Swinger 340 '12 Challenger R/T
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