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Re: '93 9000 Turbo - Multitude of Problems-Electrical? Posted by Ari [Email]  (#2847) [Profile/Gallery]
(more from Ari) on Wed, 13 Aug 2008 06:12:09
In Reply to: '93 9000 Turbo - Multitude of Problems-Electrical?, RobRitt, Wed, 13 Aug 2008 02:48:55 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The door lock problem is most likely with the electrical switch at the driver's door lock. The door lock assembly has a bunch of linkages, and the loosen up with time (15 years is enough time). There is enough play in there that the electrical switch sometimes gets enough movement to switch, other times not. The driver's door itself is actuated by the key. It also wouldn't hurt to inspect the wire bundle that goes from the door to the chassis jamb, in case you've got wire fraying there. Lastly, reseating the electrical connector on the central locking box wouldn't hurt.
The clock / radio issue is obviously the loss of the (supposedly) 'always on' power. Since you didn't mention the car not starting or slow cranking, I'm assuming the battery is OK. If it can start the car, it can source 30 milliamps to keep the radio and clock alive.
I believe that both the clock and the radio 'keep alive' power comes off of fuse 19. As a first step, note the amperage of fuse 19, then throw it away and replace it with a new one of the same rating. I have seen fuses that look perfectly good, but develop intermittent open circuits over time. You can try and troubleshoot it, or drop a quarter on a new fuse. If that doesn't do it, make sure the fuse connections are good - the socket holds the fuse tight, etc. Make sure the socket hasn't gotten pushed back on one fuse leg. If that doesn't do it, all I can recommend is popping the fuse panel apart and making sure the connections look good, including the connection of fuse 19 to the +30 (always on) bus.
I'm not sure where the radio gets its ground, but the clock gets its ground from the G202 connection on the left facia. A bad ground is just as bad as intermittent power. I doubt it's the ground, because that would show up when the radio is running.
Beyond that, it would be an issue with the +30 bus. It's unlikely that would be intermittent only when the car isn't being used.
TCS is always fun. Don't assume the mechanic has cleaned all the connections. Make sure he/she/it has cleaned the contacts for the throttle position sensor ('gas pedal'). If the safety valve hasn't been replaced, do so. Tracking down TCS problems is, well, a problem.
posted by 192.249....
, Wed, 13 Aug 2008 06:12:09 <-- Viewing This Message
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