Re: How to hot wire a 87 ford ranger 2.9 4x4 fuel pump?
Got 1987 ford f-150 no power to fuel pump, checked fuel cut off swith seems ok, new fp relay still nothe can I run hot wire to pump and if I can which ones the hot wire??
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Make sure battery has a full charge and battery connections all good. The diagram is for starter motor. Not only check the fuses, use a test light and check voltage on fuse circuits. You have a starter relay, You could, for testing, unplug the relay, use proper jumper wire on load side of relay, the load side is terminal 87 and 30. It should crank the engine. If you try that make sure tranny is in park or neutral and parking brake is set.
Your security system says, starter motor disable. By using the jumper, your bypassing that for testing. I don't know what testing you've done?
Is the wire hot if not see if the fuse is good and the switch. If the wire is not hot the one going to the head lights than look for the fuse see if is hot and if is hot than look for a short
It can't be filled up because it leaks, or won't take anymore gas? Check the hose from the fuel filler to the tank for kinks or restrictions, if you have leaks, fill it up and trace the leak. Either problem will cause EVAP codes, hard starts, and cause vehicle to die.
Hi..my name is Keith..and the 2 things that i know of...that will not let power go to the fuel pump is 1..the fuel pump relay being bad..or 2..that something has tripped the Inertia Switch...and it needs resetting..i hope this will help
THERE IS A FUEL PUMP SHUT OFF SWITCH(INERTIA) ON THE PASSENGER SIDE KICK PANEL.INSIDE CAB UNDER DASH.IT INTERUPTS POWER TO THE PUMP IF U ARE IN A COLLISION.PUSH THE RED BUTTON ON TOP OF IT.IF THAT DOES NOT WORK CHECK FOR POWER IN AND POWER OUT.NO POWER OUT BAD SWITCH.NO POWER IN OTHER PROBLEM
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