Re: [diesel_mercedes] Charging Lamp & Rate

 

Well, I'm going to look for some place on the engine/tranny or maybe the alternator bracket and attach a ground cable and pick up the existing neg cable from the battery. It cant hurt!

Bud

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From: Michael E. Williams <attymw@yahoo.com>;
To: diesel_mercedes@yahoogroups.com <diesel_mercedes@yahoogroups.com>;
Subject: Re: [diesel_mercedes] Charging Lamp Rate
Sent: Mon, Jan 20, 2014 12:35:07 AM

 

The dealer told me mercedes alternators ground through the bracket and dont have separate grounds.

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From: Alan Boucher <alsthe1@gmail.com>;
To: <diesel_mercedes@yahoogroups.com>;
Subject: Re: [diesel_mercedes] Charging Lamp Rate
Sent: Fri, Jan 17, 2014 6:40:18 PM

 

I seem to remember a ground strap between the engine/trans and the body.


On Fri, Jan 17, 2014 at 12:22 PM, <vwnate1@yahoo.com> wrote:
 


_something_ isn't right there if it never charges above 13 VDC .


Adding the ground strap may just do the trick .

It certainly helped both Nate's on this list , increasing both charging voltage and cranking speeds .

-Nate



       Bud Wrote :

Well, I haven't had the battery die yet, light is still working as I described.  Today when I got home I left the engine running and checked the voltage.  It was 12.2, reved the engine a bit and no change didn't force a charge.  The light on the dash goes off completely at about 35mph and above.

I've got a brand new Bosch voltage regulator in there, it's probably got 100 miles on it.

I'm thinking of picking up one of those cigarette lighter voltmeters to see what it's doing.

I was surprised the battery ground goes to sheet metal and not the engine/tranny bell housing, I'll have to add a ground cable.

Bud







--
Al Boucher

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