engine shutdown - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-05-2006, 09:25 PM   #11
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Quote:
Originally Posted by willwren
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Originally Posted by MACDRIVE
Try putting a volt meter across the battery posts. You should get about 14 volts if memory serves correct. That will tell you the condition of the battery and you can go from there.
That won't actually tell you a whole lot.
It will tell you the state of charge. Sure you can have all clean connections and excellent continuity in the battery circuit, but if your battery'* dead, its not going to help much.

Gee, lets all try to discount everything MACDRIVE says.
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Old 12-05-2006, 09:37 PM   #12
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Gee, lets all try to discount everything MACDRIVE says.
Mac...pout all you want, you are given credit and agreed with when your advice is sound
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Old 12-05-2006, 09:50 PM   #13
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MAC, the best way to check the state of charge in a lead acid battery is to measure the specific gravity of the electrolyte. A fully charged, healthy battery will indicate approximately 1.285 to 1.290 at 80 degrees f IIRC. With these maintenance free batteries that is almost impossible to do. You have to go by the charge indicator eye with the green dot in center. On topic.......... tbharris, pull those cables off the battery posts and clean them up real good. Is this the oem battery?
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Old 12-05-2006, 09:50 PM   #14
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Gee, lets all try to discount everything MACDRIVE says.
Mac...pout all you want, you are given credit and agreed with when your advice is sound
Blau Blau Blau Blau Blau...
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Old 12-05-2006, 10:02 PM   #15
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Quote:
Originally Posted by MACDRIVE
Try putting a volt meter across the battery posts. You should get about 14 volts if memory serves correct. That will tell you the condition of the battery and you can go from there.
That should be 12.6 volts with the motor not running. Running, the voltage depends upon the charging being done.

A related test is measure the voltage while the starter is drawing current from the battery. IIRC that shold drop below 10 volts. Someone will correct me if that'* not it. This measures the capability of the batter to supply current as mentioned above.
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Old 12-05-2006, 10:25 PM   #16
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ok let me say that this has turned into a battery discussion, when the Poster resolved the problem and said that he had Battery CABLE issues not the battery itself
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Old 12-05-2006, 10:38 PM   #17
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Quote:
Originally Posted by markwb
MAC, the best way to check the state of charge in a lead acid battery is to measure the specific gravity of the electrolyte. A fully charged, healthy battery will indicate approximately 1.285 to 1.290 at 80 degrees f IIRC. With these maintenance free batteries that is almost impossible to do.
Yes you can't measure the specific gravity of the electrolyte in a sealed battery, so what would be the frigging harm in hooking up a volt meter in parallel across the posts? It'* a place to start for criminy sakes is all I'm saying.
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Old 12-05-2006, 10:48 PM   #18
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Sorry but a dead battery will often show the correct voltage. The voltmeter draws hardly any current.
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Old 12-05-2006, 11:04 PM   #19
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Mark, yes this is the same battery that was in the car when I bought it in 2000. So you can say I have got my money'* work out of it. The green dot is still just as green as when it was new though I feel like the battery is at it'* end. My Bonneville only has 89000 so it getting to the end of alot of things for it'* life cycle. I have had to replace the manifold(which I felt like GM ought to have a recall on) other than this problem, it has been an excellant car but
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Old 12-06-2006, 12:00 AM   #20
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Quote:
Originally Posted by Technical Ted
Sorry but a dead battery will often show the correct voltage. The voltmeter draws hardly any current.
MACDRIVE, please read what I just quoted. Also read what I posted earlier that you quoted. You are wrong. Voltage means NOTHING. It takes CURRENT flow to start a car and keep it running. A DEAD battery will read proper voltage in most cases.

What makes it worse is your attitude. Instead of you being open-minded to the proven experts and gearheads on this Forum, you cop an attitude. You are DONE in this topic.
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