WHAT WOULD CAUSE THE TRUCKS EGNITION FUSES TO ...

1994 Dodge Ram

Tiny

Anonymous

March, 18, 2013 AT 11:28 PM

What would cause the trucks egnition fuses to keep blowing

FOUND 14727 RELATED QUESTIONS

Wiring Issue?

68 ANSWERS
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1 Answer

Tiny

caradiodoc

March, 19, 2013 AT 12:16 AM

Too much current. Depending on which fuse it is, you might check for an oxygen sensor wiring harness that fell onto hot exhaust parts.

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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