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Re: Intermittent No Start
Posted by Loren Amelang (more from Loren Amelang) on Wed, 24 Jul 2002 18:52:17
In Reply to: , Kok Chen, Sat, 17 Dec 1988 12:00:00 

>With the key in the on
>position the voltage displayed on the dash shows 10.3-11.8vts.

Did you mean 'start' position here? That sounds pretty low for just the 
'on' loads. Even if your fans are running I wouldn't expect 10.3 volts -- 
unless your battery has one bad cell, in which case 10.3 sounds just about 
right.

I'd verify those readings with a known good voltmeter, right on the battery 
posts, and at the starter. Measure at the big power cable to the starter 
anytime, and also at the smaller starter solenoid wire when it should be 
cranking. If this is truly intermittent, I'd string some small 'speaker 
wire' from both of those points into the passenger compartment and keep the 
voltmeter hooked up to the solenoid wire, so it is easy to check both 
voltages when the problem is actually happening.

Loren

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