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View Full Version : Another LKM problem >with a twist



piman
03-22-2006, 08:21 PM
Hi all,
The car:90 535i, auto
problem: no low beams.Hi beam work fine. I have tried the "well documented" resoder of the board. No dice. I can jump power to each light individually. Is there a wiring diagram on the net to troubleshoot this? Any help or advice would be awsome. Thanks in advance. Pi

632 Regal
03-22-2006, 11:51 PM
by far i have no idea how to answer your question so ill through some **** out here...

Lets say the LKM *is* soldered and good, I believe there is a seperate fuse and or relay to fire the lights seperatly. Do a search on the very front page here, think its ...nevermind I cant find it.

in a perfect world you can taylor a search for "LKM" and "Javier" and you will find info.

632 Regal
03-22-2006, 11:54 PM
found the search page...good luck!

http://www.bimmernut.com/wwwboard/e34/si.html

no one ever archived Javiers LKM write ups so thats not an option. do a good search you will find what you need, ill look for some links for you.

Javier
03-23-2006, 10:32 AM
headlights contact relay pins, but also on the corresponding LKM connector pins. Also check continuity for the relay coil, and condition of the relay contacts (clean and burnish if necessary).

E-mailed you a copy of headlights and LKM wiring for 1990.

Javier

shogun
03-24-2006, 01:39 PM
Javier,
something for you
http://www.7-forum.com/forum/showthread.html?t=52455

ArtemLepilov
03-24-2006, 02:00 PM
if your LKM is really broken i got a replacement ;)

-Artem

Javier
03-24-2006, 07:09 PM
Mine is similar to the one in the first post. Think I posted a picture some time ago.

http://i34.photobucket.com/albums/d116/jgandra/LKMRelays.jpg

Scott let me know that the fourth relay is for rear fog ligts (I have those).

Javier