Date: Tue, 12 Aug 2003 10:42:41 -0500 From: Harvey White <madynnopsametcom.com> Subject: Re: I know I posted already, but...........
On Tue, 12 Aug 2003 04:00:33 GMT, "MVH" <mvhnopsamytogroup.com> wrote: >I'm totally confused as to what could be causing this! >1995 9000 Aero auto >Periodically the dashboard display (only the arae under the speedo, not the >heater lights, radio, etc) goes blank and this can happen momentarily whilst >driving. At the same time the engine will temporarily cut out. Usually this >lasts only a second. Also often when I first turn on the ignition it will >happen. Switching the headlights on will sometimes fix it. Alternatively >sometimes switching the headlights on will trigger the problem and switching >them off will fix it. All other electrics in the car are fine. >Any ideas anybody? > Yes, surprisingly enough, a possibility. I had a 1980 Rabbit diesel that developed much the same problems. (Also continually broke the alternator bracket) Yes, it makes sense... Turns out that the engine electrical ground was established through the engine mount. That mount was bad.... Thus, the ground would break, cutting off the engine, and letting the power go through all sorts of odd paths. Not enough to run the car, but enough to make the lights light up oddly. The motor mount had always been bad, so the engine had always vibrated more than not. That explains the alternator bracket failure. IF Saab does anything similar, then check the grounding from the engine block to the chassis, or the internal grounding in the dash... No guarantees, but it does sound like an intermittent ground... Could also be the reverse, and intermittent power connection.. I'd check the fuses for the control/cabin stuff.... just pulling them out and visually inspecting them might get rid of the possible corrosion on the fuse blades... Harvey >Pete >
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