[Supras] Anyone have any issues with the Exide Sub Zero 78DTBattery?

[Bob]

I used to be a dealer for Exide batteries.  I had a very low failure rate.

I would lean towards a bad connection somewhere although I have seen
multiple bad remanufactured alternators.

One good way to check connections is the voltage drop test.  I found this as
the first post on a Google Search and it is just about spot on.

http://www.aa1car.com/library/voltage_drop_testing.htm

Worth a shot

Bob

-----Original Message-----
From: supras-bounces at supras.com [mailto:supras-bounces at supras.com] On Behalf
Of Mike Nikolai
Sent: Monday, September 10, 2007 11:48 PM
To: Supras at Supras.com
Subject: [Supras] Anyone have any issues with the Exide Sub Zero
78DTBattery?

Hello list,

I am at a loss here.

This summer I have replaced my alternator 3 times and replaced my battery 3
times.

It looks like the cause for the alternators was a poor battery.

As the title mentions I am using a Exide Sub Zero 78DT Battery purchased
from part source.

The only new electrical item I installed this year was my Flex-i-lite Dual
electric fans.  These are wired directly into the ignition.

I get about a few hours out of the battery before it starts to show that my
volts gauge on my SAFCII is reading to 13, then 12.6 , keeps dropping etc.
I can go about a week (driving the car very rarely) before the battery reads
at 8.5 or 9 Volts.  I tested my alternator and it tested good. I tested the
battery and tested bad.  The partsource agreed to replace it for the third
time.

Does anyone have any experience with these batteries and what could
potentially causing them to fail?  Is it possible that I picked up a crappy
run of batteries? Would the flex-i-lite fans be causing premature battery
failure?

My next step is to clean/ replace the battery cables.

I am running the same battery in my 97 Avalon XLS with no issues.

Any help is appreciated.

The car is a 1991 Toyota Supra Turbo, 5 Speed with an Electric sunroof.

Mike
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