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Readings on Isolator [message #166525]

Mon, 16 April 2012 18:26

Bruce Hart

Messages: 1501
Registered: October 2011
Location: La Grange, Wyoming

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Senior Member

I have been having starting problems with my 76 Palm Beach.
On occasions it starts up immediately but other times I have to crank and crank and than give it an extra boost to get it to fire over.
I took readings with the engine running on the isolator the top post was at 13.1, middle post 14.0, and bottom post 13.2. With the engine off top post 12.2, middle post slowly drained down from 12volts to .5volts, bottom post at 10.7. I checked battery voltage and it was at 12.1. Would these voltage reading be an indication of a bad isolator, bad alternator, bad battery or combination of all three?

Bruce Hart 1976 Palm Beach 1977 28' Kingsley La Grange, Wyoming

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[Message index]

		Readings on Isolator By: Bruce Hart on Mon, 16 April 2012 18:26
		Re: [GMCnet] Readings on Isolator By: k2gkk on Mon, 16 April 2012 18:44
		Re: Readings on Isolator By: RF_Burns on Mon, 16 April 2012 18:50
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Mon, 16 April 2012 19:52
		Re: Readings on Isolator By: John Ruff on Mon, 16 April 2012 19:20
		Re: Readings on Isolator By: Ken Burton on Mon, 16 April 2012 19:53
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Mon, 16 April 2012 19:56
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Mon, 16 April 2012 19:59
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Mon, 16 April 2012 20:52
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Mon, 16 April 2012 21:10
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Mon, 16 April 2012 21:48
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Tue, 17 April 2012 21:11
		Re: [GMCnet] Readings on Isolator By: Bob de Kruyff on Tue, 17 April 2012 22:34
		Re: [GMCnet] Readings on Isolator By: Matt Colie on Wed, 18 April 2012 04:59
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Wed, 18 April 2012 09:48
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Thu, 10 May 2012 17:21
		Re: [GMCnet] Readings on Isolator By: Richard Denney on Fri, 11 May 2012 11:48
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Fri, 11 May 2012 11:59
		Re: [GMCnet] Readings on Isolator By: Bob de Kruyff on Fri, 11 May 2012 13:39
		Re: [GMCnet] Readings on Isolator By: C Boyd on Fri, 11 May 2012 17:21
		Re: [GMCnet] Readings on Isolator By: rssbob on Fri, 11 May 2012 12:18
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Fri, 11 May 2012 15:14
		Re: [GMCnet] Readings on Isolator By: midlf on Tue, 15 May 2012 20:45
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Tue, 15 May 2012 22:05
		Re: [GMCnet] Readings on Isolator By: midlf on Tue, 15 May 2012 23:58
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Wed, 16 May 2012 01:07
		Re: [GMCnet] Readings on Isolator By: midlf on Wed, 16 May 2012 19:55
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Wed, 16 May 2012 22:27
		Re: [GMCnet] Readings on Isolator By: midlf on Wed, 16 May 2012 22:52
		Re: [GMCnet] Readings on Isolator By: Ken Burton on Thu, 17 May 2012 00:35
		Re: [GMCnet] Readings on Isolator By: jhbridges on Tue, 17 April 2012 06:21
		Re: [GMCnet] Readings on Isolator By: Mr ERFisher on Mon, 16 April 2012 20:03
		Re: [GMCnet] Readings on Isolator By: Bruce Hart on Mon, 16 April 2012 20:41
		Re: Readings on Isolator By: Bob de Kruyff on Mon, 16 April 2012 21:57
		Re: Readings on Isolator By: JohnL455 on Thu, 10 May 2012 17:55
		Re: Readings on Isolator By: JohnL455 on Wed, 16 May 2012 18:27

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