'86 5KTQ: Bad alternator or voltage regulator?

[Max Hoepli]

Luckily I have not had this issue with my 86 type 44 Turbo Quattro @ 295,000
km in Toronto climate. I'll ask mechanic next time to look at that joint.

Max

-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of cobram at juno.com
Sent: March 12, 2008 03:18
To: ldc007usa at yahoo.com
Cc: quattro at audifans.com
Subject: Re: '86 5KTQ: Bad alternator or voltage regulator?

L DC <ldc007usa at yahoo.com> writes:

> Battery once agai was drained to 11.25 volts and,
> thus, car would not start.

Check the exciter or "field" wire, it will keep the alternator from
charging if you have a break or bad connection.  IIRC it's usually blue
in the type 44's.  It goes from the alternator to the back of the
instrument cluster, check it for continuity.  It's so accessible that I
just replace with a thicker gauge wire when it's suspect.   
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