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Author
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Topic: electrical
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AintNoPinto
Journeyman Posts: 10
From: IN, USA
Registered: Nov 2002
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posted 12-05-2002 02:44 PM
   
i have a 77 cobra II that we have been working on for some time now... it seems to run really good but i was wondering if anyone knows where to get a decent decipherable electrical diagram... the car wont charge... and since it was in a fire the wires have been mostly guess work. thanks in advance.
Sam ------------------
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AintNoPinto
Journeyman Posts: 10
From: IN, USA
Registered: Nov 2002
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posted 12-06-2002 12:58 AM
haha well i lucked into the answer tonight.. it was the stator wire on the alternator.. now i just have to figure out why the blower motor wont work and i am back to driving her every day... wooooo hoooooo. you can tell i love her cuz it was in the teens here tonight and i have just been driving with no heat LOL
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FiveLiterDreamer
Journeyman Posts: 99
From: Conway, AR
Registered: Feb 2001
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posted 12-09-2002 07:56 PM
If you find out why your blower motor is not working, let me know. I have the same problem. thanx
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AintNoPinto
Journeyman Posts: 10
From: IN, USA
Registered: Nov 2002
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posted 12-09-2002 08:09 PM
think i can help cuz i had the same thing drive me nuts for a
year..... on the back of the heater blower switch there a 3-4 prong
connector.....it had two brown?? wires coming from it and they had
overheated and it wouldnt work. they looked fine but wouldnt blow
air. i fixed it by putting a permenant jumper wire between the two
brown??? wires and its been fine ever since.
to trace it to there start at the pass. side of the car and pull out
the place where the harness connects to the motor..
pull that connector and put 12vdc direct to the motor to see if its
any good....
turns on fine, if not replace it.
if not check that connector i talkd about earlier but bypassing the
switch to see if you can get it to turn. if so then thats your
problem.
hoep it helps
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FiveLiterDreamer
Journeyman Posts: 99
From: Conway, AR
Registered: Feb 2001
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posted 01-11-2003 01:35 PM
I'm working on trying to figure out this problem right now. But something is confusing me. First of all, I pulled the connector at the blower motor and applied 12v pos. current to the four little prongs that go into the connector. Got Nothing. Out of curiousity i applied 12v pos. to the actual connector and found that by touching one of the wires, the blower motor comes on. Next thing, leaving the blower motor connector disconnected, I also disconnected the connector that attaches to the heater control assembly switch underneath the dash on the drivers side. I then applied 12v pos. current to each of the four prongs. Once again, got nothing. I then applied the current to the connector wires. By touching one of those, I again got the blower motor to come on but only while the fan speed selector was on high. If i moved it to any position lower than "high", the blower motor shut off. Apparently, there are two seperate sources of current going to the blower motor, but I'm not sure why. Also, on the connector that connects to the heater control assembly, the connector was partially melted. I'm not sure if i have the same problem you had or not, but I don't think I do, since i can put current to the melted connector spot and the blower motor comes on. If anybody has any suggestions, they would be greatly appreciated. It sure is cold. thanx
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george thomas
Journeyman Posts: 14
From: roanoke,va.,usa
Registered: Apr 2003
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posted 04-27-2003 09:14 AM
weird i thought i was only one with blower motor control switches melting must be something about these switches .good luke on wiring headache
george
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77sleeper
Gearhead Posts: 125
From: Mesa Arizona
Registered: Jun 2001
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posted 04-27-2003 05:54 PM
well I am in the process of buying a house. When I get the house I am going to rewire my entire II, I will make a schematic and a wiring diagram with pinouts at that time. Stay tuned
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