5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Altenator Fire!!

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Old 09-04-2007, 04:08 PM
  #11  
PRO50SC
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Default RE: Altenator Fire!!

ORIGINAL: primo232

I have not changed any wiring. All the wires were insulated and otherwise looked fine. After I wrapped up the connector I cranked it up and drove it about 5 miles back home no problem. The alternator was in the car about 7 years.
It is not the wires. It's the connection where the plug mates to the terminals of the alt. They become loose, they corrode, cause high resistance, they get hot andthen you have fire.
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Old 09-04-2007, 04:17 PM
  #12  
FivePointOhh
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Default RE: Altenator Fire!!

ORIGINAL: PRO50SC

ORIGINAL: primo232

I have not changed any wiring. All the wires were insulated and otherwise looked fine. After I wrapped up the connector I cranked it up and drove it about 5 miles back home no problem. The alternator was in the car about 7 years.
It is not the wires. It's the connection where the plug mates to the terminals of the alt. They become loose, they corrode, cause high resistance, they get hot andthen you have fire.
and thats the truth. i havent replaced mine yet though![:@]

i will soon though, i cleaned the connection though for temporary(baking soda and distilled water) i dont drive the car enough yet to worry(i cant even follow my own words of warning with wiring ehehe), im still in clean up and fix mode for all my other crizap!
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Old 09-04-2007, 05:05 PM
  #13  
backinblack92
 
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Default RE: Altenator Fire!!

Had the same thing happen to me about a week ago.Unfortunately, my car burned in the driveway for about 20 minutes until a neighbor knocked on my door and let me know. Fire department had to peel back the hood to get it put out.

[IMG]local://upfiles/78976/D967886DDEC848E19604E6DFFB4FB435.jpg[/IMG]
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Old 09-04-2007, 05:56 PM
  #14  
tinman
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Default RE: Altenator Fire!!

Must be something in the air.
My alternator on my race car started acting funny on 8/25.
Probably the connectors on the fine 1985 wiring.
Small amount of smoke, not a lot. Glad I was not in the middle of a burn-out or something like that.
I ordered a 1 wire from Summit that day and installed it last weekend.
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Old 09-04-2007, 06:44 PM
  #15  
ZachW04Stang
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Default RE: Altenator Fire!!

My connectors just melted. I installed a 1 wire powermaster alternator and haven't had a problem since.
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Old 09-04-2007, 07:12 PM
  #16  
silver91gt
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Default RE: Altenator Fire!!

my ranger had the same connector and same alt, I had the plug burn up and melt bad,same thing, seen the smoke and disconnected it.
it was at night and where the plug melted it was glowing like it was on fire with a blue flame, but it wasnt on fire, not sure if theres radioactive stuff in it or something, it was wierd.
got a new plug from a junkyard and it was all good after.
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Old 09-04-2007, 08:23 PM
  #17  
aode08
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Default RE: Altenator Fire!!

my old GT looked like a dam electrical storm a few years ago


in fear of losing the car, mydumb azz pulled the harness out the alternator and got severe burns on my hand
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Old 09-04-2007, 10:38 PM
  #18  
cleanfitty
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Default RE: Altenator Fire!!

ORIGINAL: PRO50SC

ORIGINAL: primo232

I have not changed any wiring. All the wires were insulated and otherwise looked fine. After I wrapped up the connector I cranked it up and drove it about 5 miles back home no problem. The alternator was in the car about 7 years.
It is not the wires. It's the connection where the plug mates to the terminals of the alt. They become loose, they corrode, cause high resistance, they get hot andthen you have fire.
Isn't there a tsb that ford has put out about this problem???
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Old 09-04-2007, 10:52 PM
  #19  
keek89gt
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Default RE: Altenator Fire!!

now you guys got me all worried about my car catching on fire lol.....ill just clean up the connectors and try to forget about it hahaha
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