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#1
11-30-2003, 10:18 PM
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Instrament cluster lights -as in none
I have a 84 300d that is a real beater. Between the rust and the POs butcher repairs this car has tarnished some of my love for the star. Till I find another, in good shape and loved by PO, I would like to atleast keep this beast alive.
Question I have is about the lights for the instrament cluster. I do not have any. I stopped a fellow MB owner and asked if I could follow his wiring, as stated PO was a butcher with repairs. He stated that his 300d did not have lights either. Any ideas on where to check for a break in the electric flow. I do have electric to other areas of the instrament cluster but not to the bulbs for illumination. Thanks in advance John Conway 
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#2
11-30-2003, 10:42 PM
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Hi John.
The dash light dimmer is most likely shot.(potentiometer) Little black knob on the left side of the instrument cluster. Right side is trip reset. Louis.
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#3
11-30-2003, 11:27 PM
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John
Louis is probably right. You have to pull (or push) the instrument cluster out (do a search) and most folks solder a "jumper" across the back of the potentiometer. The lights will not be overly bright so adjustment is not a problem.
__________________
 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#4
12-01-2003, 08:24 AM
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Do you mean the lights for the instruments themselves, or including the warning lights? There are only 2 lights for the instruments themselves. They are located at the top, about 5 inches apart.
__________________
1999 MB SL500 (110,000 mi) 2004 Volvo V70 2.5T (220,000 mi) 2014 Tesla Model S 85 (136,000 mi) MBCA member
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#5
12-01-2003, 11:29 AM
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cheap
cheap and easy fix...
remove the instrument cluster (easy). then locate the white plastic dimmer device and solder the two leads together. this will make it work. of course the dimmer control will stay on bright forever but who cares. cheap and easy.
__________________
$500 1982 240d owner "Gunter" 125k miles,4 speed manual crank windows, MB Tex, all original no a/c, daily driver Scorecard so far.... $230 Maaco paint job $27 dimmer switch, $40 shutoff valve, $45 brake MC, $260 calipers, $40 brake hoses, $40 side fender trim, $20 balancing, $109 lifetime alignment, $10 fuel return lines, $115 oil&fuel filters for next 30k miles
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