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1965 Ford Mustang John 12-15-11  
I have a short in my car. What is the easiest way to track down the circuit that has the problem. Any guidance will be much appreciated.


Re: 1965 Ford Mustang Phil Feinstein 12-16-11  
First, what is the short doing?
If it is popping a fuse, start with that circuit.
If the short is causing a circuit to be powered when it is supposed to be off, start by pulling each fuse one at a time until the problem stops. The fuse that causes the problem to stop is the circuit causing the problem.

Be aware that a short can be to power or to ground and an "open" is something completely different.

Hope that helps!

PS. If the short is causing a fuse to pop **DO NOT** replace the fuse with a bolt or wire and look for smoke. This is not only dangerous, but current causes the wire to heat at the point of greatest resistance, which is usually the FURTHEST point from the short!
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