[diesel_mercedes] Re: battery/headlight/alternator

 

Thanks to all. I checked the alternator, and the belt and the (pulley?)the wheel the belt turns on the alternator was turning. The repair shop hooked up a tester and it showed the battery good, but the alternator zero. So I bit the bullet and had a new alternator put in.

I think I am going to stock one of those Bosch voltage regulators, for the next time the battery stops charging. And I am going to look for that tester. I already have a battery charger, which is how I got to work in the AM, but needed a jump to get home. And before I made it home, the radio, fan, and dashboard lights, gauges, brake lights headlights and speedo stopped working. so the next morning I took it in, for the test and work.

Thanks to all.

Chuck

--- In diesel_mercedes@yahoogroups.com, "vwnate1" <vwnate1@...> wrote:
>
>
> Chuck ;
>
> NO relation to the new headlight .
>
> These otherwise fine cars tend to stop charging but not turn on the red dashboard warning lamp so you happily drive until it suddenly won't start .
>
> FWIW , for less than the Mechanic charges to (maybe) test things , you can buy an alternator tester that plugs into the cigarette lighter and shows *exactly* what's going on under the hood .
>
> If you have access to a battery charger , you can complete the entire testing cycle at home for less $ than taking it anywhere .
>
> Remember to try turning the alternator's fan by hand , if it isn't really hard to make slip in the belt and if the belt doesn't squeak when you force it to turn , the V-Belt is too loose ~ look closely at the narrow part , if any cracks it's JUNK and waiting to snap and strand you .
>
> -Nate
> Chuck wrote:
> >
> > I replaced the left front headlight last Thursday, on Saturday the battery was dead. Charged and was fine Sunday and Monday. car died in the drive thru this am. Jumped it and will probably have to jump it to get home tonight. I put in a sylvania super bright twice the price bulb. $19 vs $9 for the cheap one.
> >
> > Anyone think of a reason the new bulb would drain the battery? or just coincidence.
> > The alternator is a little over a year old.
> > The battery is 10 months old.
> >
> > If the battery checks out ok at wally's, I guess I will take it in and have the mech check the alternator.
> >
> > Chuck
> >
>

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