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'84 300D/ dakota benz trk. Sold... miss it. "88 260E '91 190E 2.6 '89 Volvo 240DL "85 300D
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1,252 Posts
Discussion Starter #1
i have replaced every fuse in the car with the brass fuses. but i still have no illumination in my CCU and the window switches? got any clues where to start looking?
 

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'84 300D/ dakota benz trk. Sold... miss it. "88 260E '91 190E 2.6 '89 Volvo 240DL "85 300D
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1,252 Posts
Discussion Starter #3
yes, dash lights are fine. the only other lights that work are at the shifter.
 

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2013 MINI Copper S Clubman, '84 300CD-weekend car
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10,152 Posts
The CCU has it's own bulbs, and the window switches have lights in them, so if your fuses are good, I have no idea.
 

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'84 300D/ dakota benz trk. Sold... miss it. "88 260E '91 190E 2.6 '89 Volvo 240DL "85 300D
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1,252 Posts
Discussion Starter #6
my switches are new. i am thinking it has something to do with the wiring. on both of my diesels i had to go into the cluster and bypass a burnt printed circuit to have dash lights. it may be that one of those circuits i bypassed ran the ccu lights. but you would think if that were so, the shifter light wouldnt work....it does.???????
 

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'73 450SL, '83 300CD, '01 E320 4matic
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2,446 Posts
the shift gate illumination IS a separate circuit. It's powered on by the parking light circuit and is not dimmed with the rheostat in the cluster.
 
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