Question about 2003 Ford Mustang
High beams OK. Low beams used to go on and off only when I used my turn signals. Now low beams are off most of the time. They only come on on rare occasions.Should I replace bulbs or switch? Or maybe its something else?
Remove the plastic trim from around steering column so you can access the wires to the multi-function switch(turn signal switch).The RD/YE wire is the feed from the headlamp switch for low beams,it then leaves the multi-function switch on the RD/BK wire and feeds fuses no. 10 and 4 in the under dash fuse panel and from there to the headlamps right side is the DB/LG and left side is the WH/LG. Get you a 12V test light and make sure you have voltage in these places. I suspect that the multi-function switch itself has gone bad since you stated that they would work at times when you activated the turn signals.
Posted on Feb 02, 2009
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Posted on Jan 02, 2017
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