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  #1  
Old 07-16-2006, 03:58 PM
C280 Wiz's Avatar
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Location: MASSACHUSETTS
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Question Euro Headlights

I recently bought a pair of Bosch Euro lights for my 1979 450SLC. They came with a wiring direction, which seem to have been printed by the company I bought them from. Trouble is I wired the passenger side lamp according to the instructions and that side worked. Then I went to install the drivers side, following the same wiring directions and now the right or left do not work correctly. For example when I turn on the left directional with headlights off the directional blinks and the right headlight also blinks. When I turn on the headlights on low beam the left headlight is on high beam and the right is barely lit. But when I push the stalk forward for hight beams both lights go on low beam and are equally bright. When the highlights are on the parking light both on the euro's and below the bumper don't work nor the directional either/

I fooled around with the plugs that Mercedes uses for electrical connections and blew a lot of fuses. I took digital pictures each time I changed a plug so I could remember where it went originally. I decided this was furtile, as I was buying a lot of fuses and the combo's could be endless. There is a red and white wire on both lamp, but I haven't quite figured out what is does.

Any help would be appreciated.

Al aka C280Wiz
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  #2  
Old 07-20-2006, 12:50 PM
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Join Date: Oct 2003
Posts: 97
I've messed around a lot with euro lights, having converted 2 500SLs back to euro from US lites. One set was totally butchered by whoever did the US conversion, the other was fairly straightforward. Start by identifying each plug lead on the car. Turn on parking lights and with a tester find out which lead becomes hot. Then match that lead to the wire on the headlight that goes to the parking light. On one of the plugs (can't remember whether its the lead from the car or the one from the headlight assembly) the leads can be switched around within the plug. Take the back of the plug off to do this. Go through each function like this matching up the leads, headlights, turn signals etc. then do the same on the other side. US and Euro lights function differently so you may have to use some wire taps to get power to the correct bulbs. That is more true when converting a US car to euro lites. I was converting a euro car back to euro lights, so all I had to do one one of them was plug in the new euro lite. On the other car I had to go through the above procedure with evey lead. Good luck.
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  #3  
Old 07-20-2006, 09:31 PM
88Black560SL
 
Join Date: Oct 2004
Location: NC
Posts: 2,854
Quote:
Originally Posted by C280 Wiz
I recently bought a pair of Bosch Euro lights for my 1979 450SLC. They came with a wiring direction, which seem to have been printed by the company I bought them from. Trouble is I wired the passenger side lamp according to the instructions and that side worked. Then I went to install the drivers side, following the same wiring directions and now the right or left do not work correctly. For example when I turn on the left directional with headlights off the directional blinks and the right headlight also blinks. When I turn on the headlights on low beam the left headlight is on high beam and the right is barely lit. But when I push the stalk forward for hight beams both lights go on low beam and are equally bright. When the highlights are on the parking light both on the euro's and below the bumper don't work nor the directional either/

I fooled around with the plugs that Mercedes uses for electrical connections and blew a lot of fuses. I took digital pictures each time I changed a plug so I could remember where it went originally. I decided this was furtile, as I was buying a lot of fuses and the combo's could be endless. There is a red and white wire on both lamp, but I haven't quite figured out what is does.

Any help would be appreciated.

Al aka C280Wiz

It sounds like a line from a Johnny Cash song "One Pice at a Time".

"The right fender had 2 head lights and the left fender had one, but when you hit the switch all three of them came on".

Good luck with that
John Roncallo
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  #4  
Old 07-27-2006, 12:57 AM
vwnate1's Avatar
Diesel Dandy
 
Join Date: Nov 2005
Location: Sunny So. Cal. !
Posts: 2,228
Remember all brown wires and terminals marked ' 31 ' are ground connections .

As mentioned , test the various circuts at the harness connector , using a TEST light , not a meter and jot down what color wire is for what , this makes it easy to connect later .
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  #5  
Old 07-28-2006, 02:02 PM
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Join Date: Jul 2004
Posts: 6,836
Where did you buy the lights, and how much did they cost? anyone have a cheaper source for 107 euros?
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