FWIW, I have an inexpensive (~$20) inductive amp gauge that I picked up at NAPA
many years ago. It has a 100 Amp scale for measuring the charging system and a
600A scale for checking starter draw.
It's been very useful over the years for trouble shooting problems.
Dave Clement
99 SLT+ CC 4x4
In article <40FE7848.8060703@npc.net>, scecil@npc.net ("Stephen Cecil") writes:
>
>
> Thanks to everyone who responded with ideas. I cleaned off all the ground
> contact points I could find with sandpaper and tightened them back down.
That
> seemed to solve the burning insulation on the main engine ground strap, but
the
> motor would still only crank slowly.
>
> I then swapped in the battery (an identical Optima) from my wife's car. Same
> problem with cranking. Her's measured ~12.7V at rest. Mine still reads
~12.3V.
>
> I'm going to pull the starter and test it tonight along with all the cables
to
> and from the battery. The FSM is pretty clear on how to do this and I've got
a
> multi tester, although it is only rated for 10A. I may take the starter to
> Autozone for testing that piece.
>
> Thanks again and I'll post another update when I run into another roadblock
or
> find a solution.
>
> Steve
> 00 CC Sport+ 4.7L Auto 3.5 LSD
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