W209 Headlight wiring main beam wire

s4syth

New Member
Joined
Nov 27, 2020
Messages
4
Location
Cheshire
Car
W209
Good morning all. I've installed some aftermarket DRL's which look amazing on my W209. I have used an 'add a circuit' and piggy backed onto the fuse for interior glove box/cigarette lighter, so that the lights come on full power when the car is switched on. The lights have the ability to go to 50% brightness if wired into the main beam wire of the headlight, so gives it the oem function.

I have tested each wire with my volt meter, but cannot determine, which wire i need? Any help will be much appreciated.
I am looking for the main beam, positive switched wire.

Please see attached picture of RH headlamp connector.

Many thanks
 

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