Question about 1999 Volkswagen Passat
Replaced the hazard relay back in June 2008 with part from VW specialist
Failed again this morning both left & right turn and also hazards have stopped working
Located 10 & 15 amp fuses and replaced both
Tried right turn and it worked
Tried left turn and blew a 10 amp fuse
Tried hazards and blew 15 amp fuse
Any ideas on what could be causing the failures?
It sure sounds like a short in the left signal circuit. I can't say where the wires are routed but you may have one with failed insulation or pinched under some hardware.
You could avoid repeated fuse replacement if you buy a cheap digital multimeter from Radio Shack (if you are in the US) or alternately, from an auto parts store. One adequate for this would be under $20 US. Some have a continuity checker that sounds a 'chime' that stops when the resistance level rises a bit. Since the meter could be damaged if the short clears, it would be smart to disconnect the negative side (ground) of the battery. Putting the probes across the fuse contact will simulate the fuse for this checking but it will not let your signals function. I would punch the probes into the fuse holder, put on the left turn signal and start removing bulbs and checking the routing of the wiring. When the chime stops, you have found the culprit.
Posted on Sep 24, 2008
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