Hank,
I have disconnetcted the battery and it holds a charge just fine. I have
disconnected the battery cable from the battery and disconnected
the alternator and the cable is not grounded anywhere else, so I know my
battery, cable and electrical system are in general in good. With the ignition
off, there are no other loads on the system.
It's got to be the alternator and I am assuming it's the diode stack
Thanks,
Gary
--- On Thu, 3/3/11, hanjan2 <hanjan2@bellsouth.net> wrote:
From: hanjan2 <hanjan2@bellsouth.net>
Subject: RE: [Tigers] Alternator Question
To: "'Gary'" <maliburevue@yahoo.com>
Date: Thursday, March 3, 2011, 2:25 PM
I don't often reply, but will to help you find out the source of the
problem.
1) loosen the ground lead to the battery and set it near the ground terminal
2) take a DC ammeter and hook it in series with the battery negative and the
loose ground lead. If the needle goes the wrong way (down) reverse the
ammeter leads
3) Note the reading; it will read (my guess is about 250 milliamps) if a
load is killing your battery in a few days. Let's assume it indicates 1/2
amp just to move on
4) remove the alternator main lead and look at the ammeter. If the current
drops you do have a problem with the diode stack; let's assume it doesn't
drop (not an alt prob)
5) remove one of the two fuses in the eng compartment. Ammeter current drop
means that circuit feed is drawing current; if not try the other fuse.
Assume you find one fuse that drops the current
6) track and find each load one at a time and open the wire at that load.
Assume one load drops the current. Go fix that problem.
7) Want to determine all loads that are constantly in the circuit? Remove
loads one at a time until the current is zero.
Want to talk you can call me at 954-257-4992.
My Regards,
Hank (yes, a Tiger owner who has remained silent till now)
-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of Gary
Sent: Thursday, March 03, 2011 11:14 AM
To: tigers@autox.team.net
Subject: [Tigers] Alternator Question
I installed a GM one-wire alternator. It charges fine and the idiot light
and
ammeter work properly. However, if I leave it for several days or weeks it
drains the battery. I have checked the main wire with a meter and it is
grounded. I don't remember the exact resistance. Does that mean one of the
diodes in the regulator has gone bad?
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