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after 3 days of working on this 88 f150 trying to get the fuel pump working i finaly figure out theres no power i cant seem to figure out why so i guess in the morning i will call the junk yard...... one more ford dies....
Fuel Pump relay could be a cause. Turn the key to ON..now listen carefully. You should hear a single 'click' coming from the distribution box (under hood).
Hi turck is deul tanks i put new selector switch in i put new feul pump relay in and still get nothing no clicks no sounds just that bugging key left in plce ding ding ding ding.............. outher than that no sounds i try to crank it it cranks but wont start i jumped the feul pump wire to the battrey i heard the pump kick on....i would run a new wire from the pump to the start switch but am not sure that will work
I would imagine you could hot wire that pump to a toggle switch inside the cab, but i dunno how safe that is. You'll just have to time it right when to kick it on and off.
If you wire it to the start lead it will only run when your crankin it over, not when its crankin over. Are you getting power to either side of the relay in the box? If not, trace em out and see what you come up with.
Sorry I read that wrong. If you wire it to both, ehhh i wouldnt do that. If you wire it so that its on when the key is turned to run, when starting I dont think that it would work. Reason I say this is because when its turned to start, everything that normally operates when turned to "run" shuts off (radio, wipers, heater blower motor,etc) so that the battery runs the starter and the starter itself. Someone correct me if I'm wrong here.
That doesnt sound right. Somethin is definately wrong. Is it a stock radio?, or is it an aftermarket one that someone wired directly? Sounds like you have an electrical problem. Does anyone think it could be the computer? Does the computer control all of this? I actually am not sure myself...