Re: [AMC-List] Weird charging system problems

[farna@xxxxxxx]

Make sure there's a good ground strap from the engine block to the body also. On most AMCs this is from an engine mount bolt to the crossmember, but can be on any engine/body bolt. Should be at least the same size as the battery ground cable, but can be an uninsulated woven strap. Some people have run the dash ground wire to the block to solve problems -- this is usually due to a bad or marginal engine/body ground. Even the older cars sometimes benefit from this due to corrosion in dash to body joints or more likely a marginal/bad engine/body ground cable/strap. 


On April 18, 2006 Matt Haas wrote:

> <snip>
> >Some AMCs have a weird ground wire from the dash that seems to come back
> >into the engine compartment and bolts to the firewall. Never owned one
> >of those, couldn't tell you where it is!
> <snip>
> 
> That ground wire is for the dash and if it's loose or corroded, your dash
> gauges will act weird. I had a problem with this on my 68 American and the
> problems ranged from no dash lights to fuel and temp gauge reading at the
> high end of their range when the headlights were on.
> 
> As an aside, you did check to see if the alternator was acting normally
> with something other than the gauges in your dash, correct? Besides being
> inaccurate from the start, they could also be bad.
> 
> Matt
> 
>

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