I am having a problem with my 1998 3000gt. WhenI use the left blinker it makes a buzzing noise and theblinker does not always work. It only happens when I use the left blinker? Is it a short?, or is ther something wrong with the switch/relay. It seems to be draining the battery. Help, please.Mark
It sounds like you are shorting out to ground somewhere. Check all of the wiring behind the blinker, looking for bare and/or loose wiring. Follow it back to the switch if you can.
Does the bulb itself have any corrion? Sometimes moisture can make the contacts Rusty so I use white lithum grease
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