Date: Mon, 15 Dec 2003 08:20:14 +0000 (UTC) From: "Tom" <saabtechnopsamnnect.com> Subject: Re: HELP! Momentary Electrical Shutdown Stops Engine Dead
"DConklin" <catfishnopsamstick.com> wrote in message news:f3bDb.1393$tw1.96481nopsam1.ptd.net... > 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.