[s-cars] Current draw/dead battery

[Mark Strangways]

Good luck Jim.
Keep sharing what U find, the electrical gremlins can get outta hand in 
these cars at times.

Mark
----- Original Message ----- 
From: "Jim Furdyn" <audijim at comcast.net>
To: "'Mark Strangways'" <StrangConst at rogers.com>; <s-car-list at audifans.com>
Sent: Sunday, December 23, 2007 4:48 PM
Subject: RE: [s-cars] Current draw/dead battery


> Am I freaking blind?! I cannot for the life of me find a Coolant Pump or 
> an
> Aux Coolant Pump or anything similar in the 92-93 S4 wiring diagram. WTF?!
>
> Take a look at 1994 S4 diagram, Aux Relay Panel III has a Coolant Pump
> Control Module @ pos 5 and Circuit Breakers for Coolant After-Run Pump @ 
> pos
> 7 and 8. Why the hell did they omit this info on the 1992/93 diagrams?
> Anyway, it could be a couple of these...F98-Turbocharger (TC) Coolant Pump
> Thermal Switch, J155-Turbocharger (TC) Coolant Pump Control Module (loc 5 
> @
> Aux Relay Panel III), or J69- (Aux Relay Panel I) After-run coolant fan
> control relay (pin 4/86 feeds pin 5/87 of J155. That would trip the relay
> and start the pump (V51))
>
> (Theoretically)
>
> Like you Mark, I will also un-plug my after-run coolant fan and see what
> happens.
>
> Jim
>
>
>
> -----Original Message-----
> From: Mark Strangways [mailto:StrangConst at rogers.com]
> Sent: Sunday, December 23, 2007 4:05 PM
> To: Jim Furdyn; s-car-list at audifans.com
> Subject: Re: [s-cars] Current draw/dead battery
>
> Right now it's just unplugged, I have not had the time / weather to look
> into the cause.
> Likely a bad thermoswitch or ground,or something along them lines.
> I am happy at the moment with being able to start the car with out having 
> to
>
> connect the battery :-)
>
> Mark
> ----- Original Message ----- 
> From: "Jim Furdyn" <audijim at comcast.net>
> To: "'Mark Strangways'" <StrangConst at rogers.com>; 
> <s-car-list at audifans.com>
> Sent: Sunday, December 23, 2007 3:49 PM
> Subject: RE: [s-cars] Current draw/dead battery
>
>
>> Mark,
>>
>> Did you replace the relay for the after run pump? Was that the root 
>> cause?
>>
>> -----Original Message-----
>> From: Mark Strangways [mailto:StrangConst at rogers.com]
>> Sent: Sunday, December 23, 2007 2:53 PM
>> To: Jim Furdyn; s-car-list at audifans.com
>> Subject: Re: [s-cars] Current draw/dead battery
>>
>> Love my Nak too Jim, great head unit.
>> I was in the very same predicament as you, I would lose power after 1 or 
>> 2
>> days.
>> Did the same thing as you, ammeter across the battery...
>> I removed all stuff ( that I thought) that was tied to the battery bus on
>> the car.
>> Still would lose power, but it was intermittent.
>> I finally heard the culprit... while under the hood none the less.
>> Once I unplugged the running, ( and the car had not been for a few days)
>> coolant after run pump all my troubles went away. I can now abandon the
>> car
>> for weeks on end and not fear a dead battery. I can fear other things as
>> the
>>
>> wrath of the Audi gods hammers on me for leaving car by itself for so
>> long.
>>
>> Anyways, unplug that puppy... at least you will have it eliminated.
>>
>> To all, have a very merry, and safe, Holiday Season (or Christmas for the
>> Christians here). I hope you all get all the tools and toys on your lists
>> :-)
>>
>> Mark
>> ----- Original Message ----- 
>> From: "Jim Furdyn" <audijim at comcast.net>
>> To: <s-car-list at audifans.com>
>> Sent: Sunday, December 23, 2007 1:38 PM
>> Subject: Re: [s-cars] Current draw/dead battery
>>
>>
>>> On today's episode of "What did Jim do to his S-pig today?" we'll 
>>> discuss
>>> what the "removing pin 8 from the central lock/interior light control
>>> procedure yielded towards the ghost current draw/dead battery problem.
>>>
>>>
>>>
>>> As stated, the above procedure was a simple one and was (and still could
>>> be)
>>> a possible avenue to go down as far as eliminating possible culprits.
>>> This
>>> morning, I saw that the meter was indicating a hair more than 12.0 vdc,
>>> so
>>
>>> I
>>> knew the car would not start. I tried and the voltage dropped to below
>>> 10.0
>>> vdc and tried to turn the flywheel for a second and then gave up on that
>>> and
>>> started clicking. So it has been concluded that the above procedure did
>>> not
>>> yield a remedy to the problem.
>>>
>>>
>>>
>>> I removed the Kenwood 10 disc CD changer from the trunk a few months
>>> back,
>>> because I never use it and I currently run a single CD, Nakamichi CD-400
>>> head unit and use the AUX function for MP3's. Today when I removed the
>>> driver side lower dash area to gain access to the relay panel behind it,
>>> I
>>> noticed a control module tucked way up under the dash. I found a power
>>> control module for the Kenwood DC changer?! I traced the wires and it 
>>> was
>>> powered up via the hot leads going to the radio factory harness. I cut
>>> the
>>> wires and removed the entire unit. I then pulled the radio and made sure
>>> there was nothing there out of the ordinary. So I'll let it fly like 
>>> this
>>> to
>>> see if the current draw was eliminated.
>>>
>>>
>>>
>>> I also double checked the head unit powering up the amps, just to make
>>> sure
>>> that the radio was not bleeding power to a battery sucker. No joy, the
>>> radio
>>> works correctly so when the head unit is off, the amps are off/ when the
>>> head unit is on, the amps are on.
>>>
>>>
>>>
>>> Stay tuned for the next episode titled "Did it fix it?!"
>>>
>>>
>>>
>>> Happy Holidays,
>>>
>>>
>>>
>>> Jim
>>>
>>>
>>>
>>> _______________________________________________
>>> S-CAR-List mailing list
>>> S-CAR-List at audifans.com
>>> http://www.audifans.com/mailman/listinfo/s-car-list
>>>
>>
>>
>
>