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02-10-2006, 02:27 AM
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#1 |
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Registered User
Join Date: Feb 2006
Location: Sandy, UT
Posts: 4
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Electric ?
I have a 71 gmc c2500 2wd 383 stroker, blah, blah, blah. AnywayI bought it and It was only puting out 10 to11.5 volts. So I got aload boss 135amp HO alternator, same problem. Well as I was cleaning it up and straightening wires and what not I found a loom with a connector the is the same shape as the one in the back of the alternator( all that was hooked up was one wire from the battery+. So I hooked the wires up to the alternator and wow what do you know 14.5 volts..... For a while then It would go to near 18volts to 12 volts then 10. Then at idle it wold go to 14.5 but as soon as you start to go again it goes back to the 10 to 12 volts. Now Im no electric genious at all. So can someone tell me whats wrong? I can try to answer any additional ?'s you have if you want. I just want to be able to run the electric fuel pump fans headlights and all the fun jazz without the voltage dropping to where the truck runs like crap and if I floor it , it dies. Help please.
Thanks -Harlem |
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02-10-2006, 07:54 AM
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#2 |
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8 vehicles only 4 that run
 
Join Date: Feb 2006
Location: Clemson, SC
Posts: 236
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Re: Electric ?
Sounds like maybe a voltage regulator problem, perhaps. Have you replaced it?
I believe there pretty cheap. Worth a shot. |
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02-11-2006, 03:47 PM
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#3 | |
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Registered User
Join Date: Feb 2006
Location: Sandy, UT
Posts: 4
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Re: Electric ?
Quote:
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02-11-2006, 09:53 PM
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#4 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: Electric ?
Have you chased the wires out to see where they go? They more than likely have a bad connection at some point. Look on drivers side raditor support and see if they have by passed the voltage regulator as most have with a late model alternator. Check all there work and make sure they did it right.
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71  Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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