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#1
03-13-2005, 11:40 PM
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Instrument Cluster Dimmer Switch Question / Do I have a short?
No dash or switch lights with the head lights on
Some of the resent posts on the topic made me pull the cluster gauge and test the rheostat with my multimeter. The dimmer switch is defiantly bad, so I decided instead of ordering the part and all of that jive; I would just bypass the rheostat all together and solder a wire in its place. When I placed the wire on the two prongs that had previously connected to the dimmer it pegged the temperature and fuel gauge. Is something wrong or do I actually need to replace the switch and stop being a cheap bastard? 1984 300D 
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#2
03-13-2005, 11:43 PM
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Something is definitly wrong. I have jumper wires on all of mine. i AM a cheap bastard!
__________________
 1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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#3
03-13-2005, 11:54 PM
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I left the rheostat in (minus the internal spring) and soldered the jumper on the back of it instead of on the clusted itself. That was theres no possible way to damage the cluster.
__________________
Adam Lumsden (83) 300D Vice-President of the MBCA International Stars Section
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#4
03-13-2005, 11:57 PM
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I solder two brake sensors together and then just plug them onto the pegs on the cluster.
__________________
1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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#5
03-14-2005, 02:30 AM
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Quote:
DAMN !
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#6
03-14-2005, 08:31 AM
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are you certain your bulbs arent burned out......secondly....pull your tach...look on the front side of it...the W123 and the W116 have a pice that goes though it and folds over...its soldered on the face side of the tach (opposite side of where the dimmer actually mounts....I've had that joint broken on both my cars.
__________________
Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
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#7
03-14-2005, 01:40 PM
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I can be fairly sure the bulbs are not out because all of my switch lights are out also.
Later today I will read the wiring diagram and find out what wire is related to the night lights and make a plan from there
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