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Electrical Gremlin or Safety Feature? 700 1988

posted by  Erwin on  Thu Jul 10 03:22 CST 2003
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last visit: Thu Oct 23 10:39 CST 2014
[RELATED]

I haven't driven my 745t at night in quite a while and only recently got the interior back in after fixing a water leak. I drove it for 3 months with only seats. No carpet, floor padding or console from the A/C controls down. Anyway, all the wiring was exposed.

Now, heres the question part. Last night I got in the car, started it and turned on the headlights. The dash lights didn't come on and fiddling with the dimmer didn't have any effect. I also noticed the speedo was reading 45mph. When I clipped my seatbelt on the speedo went to zero and the dash lights came on. Seatbelt out, instrument lights off and 45mph, seatbelt in, lights on and zero.

With the headlights off it doesn't matter. The speedo stays at zero, seatbelt on or off.

Also, I noticed, when I put the console back in, the seat heater switches are always illuminated. Heaters don't work but that's not new.

I'll check for fuses but suspect an open ground somewhere. The Haynes schematics are ok but I'm fishing for ideas.

Thanks,
--
Erwin in Memphis, '88 745t 183,000 miles, '95 855t For Sale






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