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HELP! We turned the key in the.

Tiny
ANONYMOUS
  • MEMBER
  • 2008 SUZUKI SWIFT
  • 70,000 MILES
HELP!

We turned the key in the ignition of our Swift & it blows the main fuse - so the engine won't turn over.

Auto-electrician can't find the fault.

Has anyone else had this problem?
Any ideas what might be going on?
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Thursday, March 21st, 2013 AT 7:02 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,737 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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Thursday, March 21st, 2013 AT 7:11 AM

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