[T3] Draw on battery.

[William J]

 You are checking volts (IE) voltage drop to do a voltage drop you need to 
leave the cables connected . The way you  are testing you have a voltage 
drop on 1 volt between the neg battery terminal and ground cable.

 To really check for a draw I would use the amp setting on the DMM 
connecting one lead to the battery positive and the other to the 
disconnected positive cable and see how many amps are being drawn if less 
than 10 go to the ma scale if you have one .

 I would check the battery terminals and the battery ground strap where in 
mounts to the panel and just clean both and clean the battery positive 
terminal and clamp . Your voltage tells me it's charging . How old is the 
battery ?

 7 volts is quite a lot of a draw also keep in mind the red/white cable to 
the B+ on the reg is the main power feed . Try removing the other red/white 
lead that feeds the power to the fuse box just to narrow it down while 
leaving the red/white from the battery connected that will tell you if the 
draw is between the battery pos and regulator B+ or from the regulator B+ to 
the ign and or fuse panel none of those are fused . You can use the 
voltmeter but it's easier to use the amp meter so you know the amp draw. 
Just don't try to start the car with the amp meter connected.

 If you find the draw in between the reg B+ and the fuse box . If you have a 
bentley you will see what I'm talking about also if you have a rear window 
defroster it also runs off the regulator and it the relay is stuck on for 
some reason there is a fuse holder right off the regulator about 6 inchs 
away remove that fuse and see if that cures it.
----- Original Message ----- 
From: "dlstiefel" <dlstiefel at dekalbk12.org>
To: "type3.org" <type3 at vwtype3.org>
Sent: Thursday, June 23, 2016 9:07 AM
Subject: [T3] Draw on battery.


> In advance I want to apologize for the long post but I need some extra 
> heads to bounce this off of. I usually don't drive Clementine much this 
> time of the year (late May-mid September) but my son's Golf is sick and 
> needed a car to drive to work. His commute is about 25-30 miles one way. 
> He got to work about 6 in the morning then went out on his break between 
> 9-10 in the morning and the battery was dead. I went down there jumped it 
> off and left him my Ram truck to get him back home. When I got home I 
> didn't shut it off and hooked up the DVOM to the battery and got about 
> 14.3 volts. Then I shut the engine off the volts dropped down to about 
> 13.5. I then took the ground off cable the battery put one lead on the 
> ground cable and the other on the negative post on the battery. The DVOM 
> red 12.5 volts. I started pulling the fuses one by one look at the reading 
> then put the fuse back in. No change on any fuse. I then unhooked the wire 
> from the positive side of the battery to the voltage regulator and it 
> dropped close to 0. So I thought OK it's the regulator. By the way I just 
> put this regulator on the car back during the big restoration. It's one of 
> those newer compact solid state ones that Bosch makes now. The only thing 
> that confuses me now is I went back the next day and done the same test to 
> the wire between the battery and voltage regulator again but this time it 
> read almost 7 volts. As long as I leave the battery cable off when it's 
> not running everything is fine. So am I missing something? Or dose it 
> sound like I got a dud voltage regulator?
>
> Dennis Stiefel
> 72 Fastback FI MT
> Rainsville, AL
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