are u using the dial to switch them on or the the washer lever on the side of the sterring wheel

 

Julmau, do your fog lights work? If they do not work also, then you have a power issue upstream of the relay (R15) that controls the high beams/fogs. Could also be the relay. The relay can be proven good/bad by simply swapping that relay for another and seeing if the problem is resolved.

If that doesn't resolve the issue, then you are looking at either a wiring issue between the GEM module and the relay or from the relay out to the high beams. First remove the high beam/fog lamp relay and connect a multimeter to pin #2 inside the fuse box under where the relay was. When you attempt to turn on the high beams, do you get 12 VDC at Pin #2? If no, then this confirms a problem with either the GEM module or the wiring between the GEM module and the fuse fox. If you do get 12 VDC, then do a resistance check from Pin #1 to chassis ground. Do you get less than 5 ohms? If no, then you have a bad ground wire, replace the ground wire. If yes, using a small jumper wire, insert it between Pins #3 and #5. Do the high beams come on now? If no, then this confirms bad wiring between the high beams and the relay. If yes, you have either a bad relay or the clips inside of the fuse box have become worn and are not making good electrical contact.

Hope this helps.

 

I had a simalar problem, i though i need new wires, but about a week ago i started messing with the lights dial and i got them all working again. I on't know why that happened to me. I'd try that before u take it too nay mechanic and thermos idea too.