Automotive Circuit Protection - Part 2

[Bruce Plecan]

Corfuses me.  Worked at tow co.s for a long time, never shut em off to jump.
Years ago, so while the electonics for ecm wasn't there, was the older
gnerations of alternators.  granted the trucks had the big charging systems,
and huge batteries.  As I recall, we did all the cables with 00 wire.
Grumpy
   Speaking from the Peanut Gallery


> Very true, which is why I never start the vehicle that is doing the
> jumping, since it will be the one that takes the hit when pulling the
> jumper cable(s), when the starter disengages, or there happens to be a bad
> connection! BTW, that amount of load dump may well indicate a (small)
> battery problem.
>
> At 09:47 AM 6/26/2000 -0400, you wrote:
> >Hi Garfield, et al:
> > Ive measured loaddump WAY above 70V, here is the scenerio, jump starting
> a car.
> >Car A is running ~3000 rpm Vbat ~14.4, car B cranks draw the combined A
> and B
> >voltage down to ~9. Alternator is now pumping out Max power. When the
> starter
> >is released  on car B the alt in car A is still putting out max power,
even
> >with the battery I measured +186V.
> > I took the alt back to get it tested and was told that the magnetic
field
> takes
> >time to decay, AND there is a small delay before the regulator can
respond.
> >
> > Otherwise I agree with everything you've said
>
> Thanks,
>         Peter Hipson (founder, NEHOG)
>         1995 White NA Hummer Wagon
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