| [GMCnet] ~> DEAD IN THE WATER <~ [message #192312] |
Wed, 05 December 2012 14:37  |
Edward Jarmul
Messages: 30
Registered: November 2012
Karma: 0
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Member |
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Check the ground on the alternator although it should have direct, metal to
metal, contact on the engine bracket mounting that should be connected back
to battery ground. Just finished a major alternator replacement on my '93
Saab that quit charging on a road trip and, after 20 years, decided to make
the change. Still had charging problems with the new one and, after adding
a new ground wire, I now have 14 volts, with the engine running, at the
battery. Same problem years ago with a Volvo 240 who also uses a rubber
grommet on the alternator to reduce vibration but I guess I didn't check
the simple things that can cause major problems.
EdJ
Now in Martinsburg, WV
'77 Coca Cola 26'
'73 Glacier 26'
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| Re: [GMCnet] ~> DEAD IN THE WATER <~ [message #192314 is a reply to message #192312] |
Wed, 05 December 2012 14:58  |
Ray Erspamer
Messages: 1707
Registered: May 2007
Location: Milwaukee Wisconsin
Karma: -3
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Senior Member |
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This is a good idea.
I recently chased a problem on my boat that has a Ford V8.....nearly drove me
and the auto electric place nuts. When I replaced my GMC ignition system with
Dick Pattersons Springfield Ignition it came with a separate ground wire
connected to the case of the distributor, installation instructions said to
connect it up to a good clean ground on the engine block. Then one day a
light went on and I went out to my boat, drilled and taped the distributor
casing and ran a separate ground wire......DANG!! No more problem ! Apparently
19 years of boat use with the V8 sitting in a damp environment created enough
corrosion to disrupt the metal to metal ground on the distributor. 2 years I
struggled with this problem and it had a 20 minute fix !
Ray
Ray & Lisa
78 Royale "Great Lakes Eagle"
Center Kitchen TZE368V101144
Wauwatosa, Wisconsin 53226
Email: 78GMC-Royale@att.net
414-745-3188
Web Site: http://ray-lisa.page.tl/
________________________________
From: Edward Jarmul <falcon160244@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Wed, December 5, 2012 2:37:41 PM
Subject: [GMCnet] ~> DEAD IN THE WATER <~
Check the ground on the alternator although it should have direct, metal to
metal, contact on the engine bracket mounting that should be connected back
to battery ground. Just finished a major alternator replacement on my '93
Saab that quit charging on a road trip and, after 20 years, decided to make
the change. Still had charging problems with the new one and, after adding
a new ground wire, I now have 14 volts, with the engine running, at the
battery. Same problem years ago with a Volvo 240 who also uses a rubber
grommet on the alternator to reduce vibration but I guess I didn't check
the simple things that can cause major problems.
EdJ
Now in Martinsburg, WV
'77 Coca Cola 26'
'73 Glacier 26'
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Ray Erspamer
78 GMC Royale Center Kitchen
403, 3.70 Final Drive
Holley Sniper Quadrajet EFI System,
Holley Hyperspark Ignition System
414-484-9431
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