FUSE

1996 Ford Explorer

Tiny

andrearawlings

June, 28, 2013 AT 9:24 PM

The fuse blew for the power locks, windows and seats. I replaced it with a brand new 30 amp fuse. Everything worked. I go to get in the truck and it obviously blew again. When the fuse blew out the 4 wheel drive light in the dash blinks on and off 5 times then stays off for about a minute or so, then starts blinking again. Please help.

FOUND 1866 RELATED QUESTIONS

2 Answers

Tiny

caradiodoc

June, 28, 2013 AT 10:03 PM

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.

The bulb will limit current to one amp, a safe value that will protect the wires, but that is not enough for those circuits to work. Once the short is repaired the circuits will work again when a new fuse is installed.

Given your description of the symptoms, it suggests the intermittent short is before a switch since you didn't have to activate one to blow the fuse. With the circuits affected there's going to be two likely places to find the cause of the problem. One is broken or frayed wires between the door hinges, and the other is under the seat.

Tiny

andrearawlings

June, 28, 2013 AT 10:44 PM

Thank you so much. I am going to look at the wires right away in the morning. Thank you!

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