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Old 05-31-2003, 11:55 AM
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Join Date: Aug 2002
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W123 Euro Headlight Grounding Problems

Hi all,
My 84 had some upgraded 7" lights before with slightly oversized bulbs (50/85?) but I decided to go for a newer look and installed my euro headlights. I did all the wiring inside the headlight so I can easily convert back to the US spec lights if desired. I used the same bulbs as the lights that came out, but now I'm having a problem with it grounding. This doesn't make any sense, when my low beams are on they are dim, turn the fog lights on and the fog lights go to candlepower. I would just ground the units but the polarity changes when the high beams kick on. I've used jumpers and a ohmeter to insure I don't have a cold solder anywhere but even with one headlight the ground isn't suffiecient just for the low beam where as before it worked perfectly. Any ideas?

Thanks in advance,
Jeff M.
Jeff M.
Mercedes W123 DIY pages are now located here.
1983 / 1984 300D Sold
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