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My dad has a 95 f150 that will not start. He checked the fuel filter and that is ok and the fuel pump is getting power. He asked me to find a diagram for the wiring and I am having a difficult time with it. Guy at parts store said that we need a schematic diagram? Any advise? Thank you!!!
My dad has a 95 f150 that will not start. He checked the fuel filter and that is ok and the fuel pump is getting power. He asked me to find a diagram for the wiring and I am having a difficult time with it. Guy at parts store said that we need a schematic diagram? Any advise? Thank you!!!
I take it you are talking about a fuel system schematic diagram with two tanks.
Thank you Thank you Thank you!!! I have been looking for days to find this!!! I can't tell you enough how my dad will appreciate this, he has been getting rides to work in my mom's toyota matrix every day and the guys at work are picking on him!
Is getting spark and fuel in the line but no power to the fuel pump. Any ideas???
Is it alot different schematic if it is a single tank short box? He said he could probably figure it out from the original diagram but the single would be easier!! Thanks!~!!!
I believe You started out this thread saying you had power to the fuel pump, and are now saying you have no power to the pump, and there is fuel in the line.
Are you/he aware that when you first turn on the ignition, the computer turns on the fuel pump just long enough to bring the lines up to pressure, then shuts it off.
It comes on again only after the engine starts, or until you shut off the ignition.....then on again.....and again only till it reaches pressure.
This is a safety feature built into most cars since the early 90's so that in case of an accident, the fuel pump doesn't keep pumping and possibly spewing gas all over.
You should be able to hear the pump come on and shut off when you turn on the ignition. There should be a fuel pressure test port that looks like a tire air fill valve on the fuel rail. Depressing the pin will tell you if you have fuel pressure (be careful) On my 94 the pump failed at 120k and the harness connector to the pump (near the tank) failed at 165k.
I use an old spark plug with a grounding clip to test for spark. I think there is a TSB about an issue with the wiring with the ignition module and PCM. Check the FSB site.
good luck
rikard
It was the connector to the mercury switch is what I think that he said. I just want to thank all of you for all of your help! My dad says thanks, too! Now I am his favorite daughter!!! Thanks again, you guys are great!!