Question about 2001 BMW 5 Series
This kind of problem can be confusing with so many different connections. I guess you need to think through the connections logically. Get your self a test lamp or volt meter and make sure each of the incoming wires you have tapped into actually does have the signal that you are expecting it to have. Make sure that the main input power for the relay has a voltage on it when you are expecting it to. The specs that I read said that it should be wired back to the battery? Check that your earths are good. You can do this with the Ohm / continuity function on a cheap multi meter. If that all works then you may have a faulty relay. (Stranger things have happened). With your test lamp and some hook up wire you should be able to simulate the incoming signals for flashers and brakes lights etc and put your test light on the outputs. Sorry no magic answer but if you work at the problem one step at a time you should be able to find whatever it is your missing. Hope this helps. Doug.
Posted on Jul 26, 2009
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Posted on Jan 02, 2017
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