Date: Sat, 12 Aug 2000 15:16:12 GMT From: Tony <NOSPAMtshiminopsam.com> Subject: Re: Intermittent Electrical Problem on '89 900
Fred, I had a similar problem for years (read my other messages in this NG). Recently I pulled the light switch knob from the dash, cleaned it and made sure all wires are secure and put it back in; so far, for two weeks things are fine. I'm inclined to think that the problem is located in or around the light switch. Give this a try and let us know. Cheers, -- Remove "NOSPAM" from address for direct e-mail ####### # #### # # # # # # # ## # # # # # # # # # # # # # # # # # # # # # ## # # #### # # # "Fred E. Davis" wrote: > > I've been struggling with finding an intermittent electrical problem > in my daughter's '89 900S. I'm hopeful that someone in this group has > had similar experiences (and solutions!) that they can share. > > The car either runs great or not at all. When the car 'dies' the > engine speed drops to near zero, it bucks & struggles to run then > dies, and refuses to immediately restart. > > Some "interesting" symptoms appear when it fails which leads me to > believe there is an intermittent grounding problem, probably in the > instrument cluster and dash. Sometimes, the rear window defroster > comes on by itself when the car seems to be running 'normally'. When > the engine dies and won't restart, the high beam indicator on the dash > (as well as most all of the other idiot lights) glows dimly [note that > the headlights were turned off at the time]. Once, when cranking it > after it had failed, the high beam indicator was on while the engine > wouldn't start, then suddenly went out and the engine started and ran > without a problem. > > This leads me to believe that the ground point in the dash for the > instrument cluster is intermittent and floats. When it floats, the > return path could be through the high beam indicator to the headlamps > to ground. I have examined all of the ground points in the engine > compartment (as well as the wiring in the fuse box), and they all look > fine. > > Before I rip the dash board out, has anyone else had a similar > experience, and what solutions did you find? TIA
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