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electrical items w124 87 300d 603

My project car.
At the moment I've got no power to the radio, no clock, no temp gauge, no dash lights...let's see, so far that's it. Not sure if there is a common element to those items - anyone suggestion is appreciated. And yes, I've checked fuses and moved them around and cleaned them.

Old 87 suffers from living in the desert for years and some of the wiring is just about as brittle as can be. Some of it is pretty good and she was well maintained for much of her history.

I'd appreciate being led to a wiring diagram - I'm sure there is a link here somewhere but my searches are a bit lacking in finesse.

Thanks.

fantastic. Thank you 1stimer.

Replaced all fuses with new. Most items are now powered. Removed the inst cluster and ended up replacing the rheostat with another I had on hand. The rheostat (dimmer) contacts on the inst cluster were completely junked up with what looked like powdered, well, something. White powder actually. Anyway, it was preventing good contact and it caused a few problems.