Hey Bernd.....guys
Anybody know if I can jump the fuel pump at the harness that runs
along the frame rail.....and the color of the wires.....pos + neg?
I guess I should disconnect my computer and battery while doing so?
I'd rather not have to drop the tank for nothing.
Bob
Kyle Vanditmars wrote:
>
> Bob Nichols wrote:
>
>>
>> Something else....once before my gas gauge was way off.....if I was
>> out of gas would the pump still run?
>>
>> The trucks been sleeping in the garage since November and I haven't
>> started it since aound the 1st week in jan so I haven't been driving
>> her......and haven't been experencing any problems (Kyle)
>>
>
> What year is your truck? I have the '92 FSM, so I can get you
> schematics for GenII's if need be.
>
> Anyway, the pump should still try to pump and pressurize the system
> w/o gas. I would put a couple gallons in the tank just so you know
> what's in there - unless you already know that the tank's not empty.
>
> If you don't have any pressure at the fuel test port, obviously
> there's a problem with the pump, so as Bernd said, try jumping the
> pump to see if it functions. If you get no joy there, replace the
> pump and associated parts. If it does work on the jump... well, you
> and a multimeter will become intimately close while tracking down the
> problem. ;-)
>
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