my slk 230 wont flash the headlights with the lever, but if I set the light switch on dash to fog lights on then the lever when pushed down will turn on the high beams? is there a point at witch I could check with an ohm meter to see if the switch on the columb is bad or the one on the dash is do you have the capability to send a schematic of the circuit? or at least talk me through the testing proceedure tnx in advance..

__________________
David .J.