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05-23-2002, 09:35 PM
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#1 |
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Firefighter
Join Date: Feb 2001
Location: Yellville, Ar, USA
Posts: 1,943
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Alternator problem
My alternator has developed a hiccup, when the engine is running my amp guage bounces, the lights flicker, radio flickers,and the dash lights flicker, I checked the alternator it is putting out 15.6 volts (high output alt. by the way) single wire, self energizing, ground straps are hooked up two to the motor and one from inner passenger fender to frame. There are no bare wires touching or anything like that. Please help!!!!!!!!
 Also the battery is new with full electrolite.[This message has been edited by BLACK AND BLUE 67-72 (edited May 23, 2002).]
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'72 Chevy SWB 350 Auto '67 GMC LWB 350 4 speed '70 Chevy 4x4 Stepside 350 Auto Yellville, Ar. USA  
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05-23-2002, 09:55 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Even though you have it grounded, that's what it sounds like to me. Try testing your ground with an multi meter.
------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. E-mail longhornmail@yahoo.com My name is Andy...not Randy...I'm in Ohio...Not Illinois...close enough? Columbus Ohio |
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05-23-2002, 10:00 PM
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#3 |
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Account Suspended
Join Date: May 2002
Location: Olathe, Kansas
Posts: 929
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Depending on the style of battery you have, make sure the electrolite is full. Have it tested to verify its ok.
Even with a high output (AMP) alternator, 15.6 is high. 14.8 or there abouts is what you should be seeing. If the volts are up that high with a pulsing effect I would say its the battery. Yes a bad battery will induce a overcharging problem  ------------------ Pictures and more... piston@zkast.com '71 LWB 350/350T, PS/PB Special options? Yes, RUST... Need some? ------------------------------------------ Webmaster/Team owner www.zkast.com Garrett - Olathe, Kansas |
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05-24-2002, 06:46 AM
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#4 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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If your ground and battery are good, it has to be the internal regulator. From the symtoms you are describing, my first thought
would be the regulator is bad. Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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05-25-2002, 03:25 PM
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#5 |
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Firefighter
Join Date: Feb 2001
Location: Yellville, Ar, USA
Posts: 1,943
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Any other opinions?
------------------ 72Chevy 350 Auto 67 GMC 350 4 speed Yellville, Ar. USA
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'72 Chevy SWB 350 Auto '67 GMC LWB 350 4 speed '70 Chevy 4x4 Stepside 350 Auto Yellville, Ar. USA
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05-25-2002, 05:53 PM
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#6 |
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huh?
 
Join Date: May 2000
Location: Washington, Illinois
Posts: 5,690
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I agree with JimK 100%. My friends Dodge used to do that all the time, and it was the regulator. Same with my friends 68 chevelle. I'm saying the regulator is probably bad.
TJ
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Someday when I'm lonely, Wishing you weren't so far away, Then I will remember Things we said today. RIP El Jay |
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