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  #1  
Old 08-05-2012, 11:13 PM
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300 sdl

None of the dash lights, fan or a/c is working any suggestions

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Old 08-05-2012, 11:16 PM
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It is an 87 turbo diesel
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Old 08-05-2012, 11:28 PM
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Does twisting the dimmer knob help?

Check the fuses. If you have no record of replacing in the fuses in the last 10 years, throw them away and get a fresh set of fuses.

Sixto
87 300D^2
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Old 08-05-2012, 11:36 PM
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where is the dimmer knob
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Old 08-05-2012, 11:37 PM
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the only fuse box we can find is under hood by motor....
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  #6  
Old 08-05-2012, 11:48 PM
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smoke gets in your eyes
 
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There are 2 knobs in the gauge cluster. Turning the left knob adjusts the dimmer, pressing the left knob resets the trip meter, pressing and turning the right knob adjusts the clock.

The main fuse box is beside the brake booster where you found it. The fuses can go bad while looking intact. There is an 80-amp strip fuse in the glow relay and possibly a 30-amp strip fuse for the AC blower in its own case just outside the main fuse box.

Sixto
87 300D^2
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  #7  
Old 08-06-2012, 09:20 AM
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After checking the fuses as Sixto mentions and if that checks out. Start car, turn fans, lights on then ever so slightly move key left to right, left to right. If fans, lughts come on the i mod is worn out.
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Old 08-06-2012, 02:31 PM
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TX76513 brings up an excellent point - it could be a worn key switch.

Sixto
87 300D^2
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  #9  
Old 08-06-2012, 03:42 PM
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I always think it can't be...but it is always the fuses.

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