No power to fuel pump.....now what?
08-14-2010, 02:08 PM
#1
Junior Member
Thread Starter
Join Date: Aug 2009
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
No power to fuel pump.....now what?
I have a 1989 F-150 with a 351 & A/T. Drove two weeks ago and went out to start it and nothing. When I turned the key on, no usual noise charging the fuel system. I tried the easiest fix first ..... fuel pump relay. No luck. I tested the power at the fuel pump and appear to have none. HELP!! I have tried to follow previous posts about similar issue. Not sure what to try next.
08-14-2010, 02:28 PM
#2
Are my eyes red?
Join Date: Jun 2010
Posts: 1,110
Likes: 0
Received 0 Likes
on
0 Posts
check your fuses and inertia switch. if those check out fine, drop the tank and check for voltage at the pump. could be a ground. i dont think pumps will usually suddenly stop working without signs of being weak first good luck
08-14-2010, 02:39 PM
#3
Junior Member
Thread Starter
Join Date: Aug 2009
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
the inertia switch was not activated. Could it go bad? What are all my fuses that pertain to the fuel system? I did print the diagram in a previous post. I will check the fusible links that I can find. Thanks for your help.
08-14-2010, 02:44 PM
#4
Are my eyes red?
Join Date: Jun 2010
Posts: 1,110
Likes: 0
Received 0 Likes
on
0 Posts
i dont know off the top of my head, but on the fuse box cover it usually tells what fuses are for what. i haven't personally seen any inertia switches go bad, but i have seen them activate for seemingly no reason at all. i guess its possible it could, but i just doubt it. if you havent physically checked the inertia switch and just assuming because you havent hit anything, check it anyway. hell if you can reset it, do that, and see what happens
