Cigarette Lighter Failure: 2001 F-150

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Bryan - 21 Apr 2006 07:31 GMT

Where can I find a schematic for a 2001 Ford F-150? I need to figure out
why the cigarette lighter doesn't work anymore.

My wife lets the kids use a 400 Watt inverter to play video games while we
travel and it stopped working (the fuse isn't blown). The cigaretter
lighter no longer works, either; need a different fuse tester to access all
the truck fuses.

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Al Bundy - 23 Apr 2006 23:17 GMT

> Where can I find a schematic for a 2001 Ford F-150? I need to figure out
> why the cigarette lighter doesn't work anymore.
[quoted text clipped - 3 lines]
> lighter no longer works, either; need a different fuse tester to access all
> the truck fuses.

Some models provide a separate outlet than the cigarette lighter for
such use. You are probably aware that 400 watts is way over the
capacity of a lighter outlet. That's over 30 amps on a circuit with
probably a 10-20 amp fuse. If you didn't blow a fuse, you may have
burned a connection or a wire. Let the kids have their fun, but wire up
your own separate outlet with heavier wire and a 30 or 40 amp fuse. The
fact that it stopped working for you has probably saved you more grief
on the road.

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Jeff Strickland - 04 May 2006 01:24 GMT

400 watts is over 30 amps, I'm not sure but I think the cig lighter has a 25
amp fuse. You said the fuse isn't blown, but I can't imagine it not blowing.
It should be visible, no tester required.

Having said that, I'd have to start looking at the connections at the cig
lighter, and other obscure stuff like that. I'd be checking the fuse block
to see if one side it hot or not, then working the wires back from the block
to the battery.

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