Date: Wed, 17 Dec 2003 13:34:48 -0000
From: "absgt" <>
Subject: Re: HELP! Momentary Electrical Shutdown Stops Engine Dead

"Tom" <> wrote in message news:brjqrt$d$ > > "DConklin" <> wrote in message > news:f3bDb.1393$ > > It's a '95 900 Turbo Convertible, and I love it even so. Sometimes, when > > you put a surge load on the electrical system, as by applying brakes, > > pressing the electric window button or hitting the A/C, the system voltage > > either drops severely or momentarily cuts out completely -- for a split > > second only, but enough to shut the engine down. Confoundingly, the > > problem is intermittent. I put a new battery in, and the problem went > away, > > but returned a month later. It's got a brand new Delco alternator, which > > maintains 14 volts with a mild load and drops to about 13.6 with lights > and > > all accessories running. When I clean every ground and hot connection I > can > > locate, including the battery terminals, the problem sometimes ceases > for > > week or so and returns. This, despite the fact that I've run a "sister" > > cable from battery ground to the engine, and have cleaned the battery > > ground-to-chassis connection more times than I can remember. Is it > > possible that there's a faulty circuit board that intermittently goes > fritzy > > when the voltage drops? Anybody? > > > Sounds like the good old ignition switch malady, done loads of them for the > same symptoms, allow 2 hours and 100.00 for the switch.Regards, Tom. I've just had this exact same problem - the mechanics have diagnosed it as the electrical half of the ignition switch, which is being replaced right now. It was nice to be able to point them in the right direction after reading this. Thanks for your (indirect) help! absgt 1997 9000 CSE

Return to Main Index

The content on this site may not be republished without permission. Copyright © 1988-2018 - The Saab Network -
For usage guidelines, see the Mission and Purpose Page.
[Contact | Site Map | on Facebook | on Twitter | Shop Amazon via TSN | Site Donations]