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Author
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Topic: not ford tech but need help
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
 
 
my 03 gmc sierra's volt gauge go's past 19 on the gauge like it's pegged. the truck died a few times today when i would slow down (like when i was coming to a stop)
my question is could it be the altenator or what else could it be.ive never seen something like this before. ![[Confused]](confused.gif)
by the way it normally sits right a little past 14 on the gauge just like my other truck
[ March 09, 2008, 04:56 AM: Message edited by: 4.6 EATIN GM'S ]
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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1bdpone
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Member # 6708
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posted
The voltage regulator (built into the alternator) is bad. You need to replace your alternator. You may also need to replace your battery if it has been overcharged for an extended period of time.
Posts: 182 | From: Tri Valley | Registered: Apr 2006
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925GT50
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Member # 2683
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posted
Id get the alternator bench tested and then go from there. Im not to sure though hence Ive yet to have any problems with mine.
Good luck keep posted on the outcome.
[ March 09, 2008, 07:40 PM: Message edited by: 925GT50 ]
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1990 GT hatch (owned since 05')
1988 GT (sold)
1995 SN95 Cobra (totaled/parted)
1995 Pontiac Firebird Trans Am LT1 (daily driver)
Posts: 2443 | From: 925 | Registered: Apr 2003
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badazlx
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Member # 4899
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posted
my 91 exploder hade the same problem and it turned out to be the conection on the batt terminals. replaced the terminals and it was fixed.
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03 mach bolt ons/125 shot
Posts: 911 | From: roseville | Registered: Sep 2004
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
well i have an extra altenator layin aound so ill swap them out tommarow after work and see if that fix's it.should only take me 20 minutes or so
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
well i swapped altenators and it still did it.so i took the altenator i pulled out of the truck and the battery down to autozone and the alt passed and the battery didnt.so im putting the new battery in today and see if it helps.
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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