Turn signal fuse blows in park or reverse never.

Tiny
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  • MEMBER
  • 1985 BUICK PARK AVENUE
  • 95,000 MILES
Turn signal fuse blows in park or reverse never in drive
Friday, April 5th, 2013 AT 8:53 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,699 POSTS
A simple trick to finding a short is to replace the blown fuse with a pair of spade terminals, then use small jumper wires to connect them to a 12 volt light bulb. A brake light bulb works well. When the circuit is live and the short is present, the bulb will be full brightness and hot so be sure it's not laying on the carpet or against a plastic door panel. Now you can unplug electrical connectors and move things around to see what makes the short go away. When it does, the bulb will get dim or go out.
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Friday, April 5th, 2013 AT 10:52 PM

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