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Re: [GMCnet] Ignition system voltage drop [message #239592 is a reply to message #239586]

Tue, 11 February 2014 18:22

Mr ERFisher

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Registered: August 2005

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On Feb 11, 2014, at 4:16 PM, gene barrow <barrowgene@gmail.com> wrote:

>
>
> 1976 455
> With the ignition switch "ON" I read 12+ volts on lead to the distributor when disconnected. When connected to distributor I read only +/- 6 volts.
> Starter cranks normally but no start. My timing light will not fire while cranking so I assume 6volts is not enough to energize the coil.
>
> The engine started easily and ran fine 2 weeks ago (with the same distributor) on the test stand for cam break in.
>
> Engine is now re-installed in the Palm Beach. Ignition system worked fine before engine removal.
> The coach has been sitting without the engine for several months and it seem that the electrical gremlins have infected it.
>
> I metered my Eleganza distributor lead for comparison. There is only ~1/2 volt drop between connected vs disconnected readings.
>
> I swapped the Eleganza cap, coil, and plug wires ( it was running fine 2 days ago) into the Palm Beach.
>
> No joy. Still only~ 6 volts with leads connected.
>
> So I assume the problem is upstream from the coil.
> However, I changed the module because I had a spare. No change.
>
> I traced the wire up stream to and through the firewall behind the glove box fuse block.
>
> It's not connected to the fuse block but I cant trace it through the dash. I assume it goes to the switch on the steering column.
>
> Suggestions please.
>
> Let The Games Begin! First person with solution gets bragging rights and my gratitude.
>
> Thanks for the help.
> --
> Gene Barrow
> Lake Almanor, Ca.
> 1976 Palm Beach
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[Message index]

		Ignition system voltage drop By: gbarrow2 on Tue, 11 February 2014 18:16
		Re: Ignition system voltage drop By: JohnL455 on Tue, 11 February 2014 18:24
		Re: [GMCnet] Ignition system voltage drop By: Mr ERFisher on Tue, 11 February 2014 18:22
		Re: Ignition system voltage drop By: Otterwan on Tue, 11 February 2014 18:34
		Re: Ignition system voltage drop By: Ken Burton on Tue, 11 February 2014 19:44
		Re: [GMCnet] Ignition system voltage drop By: Rivers on Tue, 11 February 2014 22:06
		Re: [GMCnet] Ignition system voltage drop By: Ken Burton on Wed, 12 February 2014 01:19
		Re: [GMCnet] Ignition system voltage drop By: gbarrow2 on Wed, 12 February 2014 08:46
		Re: [GMCnet] Ignition system voltage drop By: Ken Burton on Wed, 12 February 2014 09:18
		Re: [GMCnet] Ignition system voltage drop By: gbarrow2 on Wed, 12 February 2014 10:12
		Re: [GMCnet] Ignition system voltage drop By: Otterwan on Wed, 12 February 2014 11:47
		Re: [GMCnet] Ignition system voltage drop By: Ken Burton on Wed, 12 February 2014 18:41
		Re: [GMCnet] Ignition system voltage drop By: Matt Colie on Wed, 12 February 2014 19:46
		Re: [GMCnet] Ignition system voltage drop By: Ken Burton on Thu, 13 February 2014 02:03
		Re: [GMCnet] Ignition system voltage drop By: Matt Colie on Thu, 13 February 2014 09:15
		Re: [GMCnet] Ignition system voltage drop By: gbarrow2 on Thu, 13 February 2014 10:15
		Re: [GMCnet] Ignition system voltage drop By: Matt Colie on Thu, 13 February 2014 10:32
		Re: Ignition system voltage drop By: Matt Colie on Tue, 11 February 2014 19:09
		Re: Ignition system voltage drop By: roy1 on Tue, 11 February 2014 19:55
		Re: Ignition system voltage drop By: WildBill on Wed, 12 February 2014 20:52
		Re: Ignition system voltage drop By: SteveW on Thu, 13 February 2014 10:25
		Re: Ignition system voltage drop By: gbarrow2 on Thu, 13 February 2014 11:12
		Re: Ignition system voltage drop By: SteveW on Thu, 13 February 2014 12:54

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