because as the car is driven the alternator/generator charges the
battery. this current through the coroded cables with high resistance
causes heat which increases resistance further to the point where not
enough current will flow to crank the starter. happened to me with
a bad connection in a battery isolator. it bamboozled the whole list
until buck Trippel suggested that....
On Friday, August 13, 2010, <CoolVT@aol.com> wrote:
> Thinking of the recent post where a car wouldn't start when hot, a recent
> tip in Mac's Mustang Parts reads like this...
>
> "Did you know that battery cables literally wear out? Years of
> temperature extremes and exposure to toxic battery fumes that leak from the
case
> around the battery posts can cause corrosion to seep up underneath the
> insulation & wick its way up into the coper wiring. This of course,
increases the
> resistance of the cable which reduces the amount of voltage that can
travel
> thru the wire to & from the battery.
>
> This is a very common cause of car that won't start when the engine is hot
> from being driven. If the battery cables on your Mustang..........."
>
> Guess I still don't understand the logic of why it would affect the car
> more when the engine is hot.
>
> Mark L
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