| [GMCnet] time to change the alternator again [message #302647] |
Sun, 26 June 2016 11:13 |
glwgmc
Messages: 1014
Registered: June 2004
Karma:
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Senior Member |
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Hi George and Greg,
Before you change out the alternator again, try something. Try cleaning the connector between the alternator and the wire harness. On my 78 that connector is on the drivers side below the alternator. I have found that if that connection has any resistance then the alternator may not see the sense voltage coming from the battery correctly causing it to increase voltage. Just the other day I noticed the voltage jumping up well past 14vdc on occasion with fully charged batteries. I put a little Corrosion Block into that connector and the condition normalized.
We are now back in Whitehorse, YT, on our way back south from our Alaskan adventure. What a wonderful trip. Highly recommended for all GMCers!
Jerry
Jerry & Sharon Work
Kerby, OR
glwork@mac.com
http://jerrywork.com
78 Royale with most everything done to modernize a GMC mechanically
77/94 Clasco bone stock (now with FiTech EFI) and looks like it just left the Clasco facility
Both drive equally as well.
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Message: 13
Date: Sat, 25 Jun 2016 23:58:14 -0600
From: George Beckman
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] time to change the alternator, again
Message-ID:
Content-Type: text/plain; charset="utf-8"
Ek_Lektro wrote on Fri, 24 June 2016 11:34
> My Eleganza's Autozone 100 amp (lifetime warranty) alternator is putting out 15.5 to 17 volts, and i've been meaning to get around to replacing
> it... Meanwhile, the turn signals stopped working. changed the fuse, all good, but it blew again within a day. hopefully getting a normal
> alternator charge happening again will solve this problem and save further troubleshooting.
> More news soon, cheers
> Greg
> Los Angeles
> 76 Birch 78 Eleganza
Greg,
I feel your pain. You may get a good one one of these days. I could hardly make a trip anywhere and not have to change the alternator somewhere along
the line. I have a 100 amp, I think from O'Reily's that has been OK for almost 10K miles. (Probably the same one AutoZone sells.) I have tried a local
starter-alternator shop, Delco rebuilt, AutoZone, NAPA and O'Reily. It almost makes a fellow want to buy a 5 pack of the silly thngs.
I now have a double pulley and that means I have to have it removed and put on the new one. Added complexity unless I want to carry an impact wrench.
--
'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
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Jerry & Sharon Work
78 Royale
Kerby, OR
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