Community Q&A Question: No power at fuel pump?

Asking About: Mustang WOT Shut Off/Fuel Pump Relay (86-92) 5.0


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No power at fuel pump?

Will this relay, if it is damaged or becomes faulty, cause the fuel pump to malfunction or cause the fuel pump not to energize? I am currently in the middle of installing a maximum motorsports roll bar in my 1987 Mustang GT. I attempted to start the car, it ran for about 3 seconds then died. I have spark coming from the coil but no fuel pressure. I do not hear the fuel pump energizing. I noticed this relay located underneath the drivers seat.
from Painesville |
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It can. It really sounds like you may have another issue. I suggest purchasing a service manual and looking up the wiring diagram for the fuel pump. Also borrow or purchase a digital volt meter and start proving out the circuit from the front all the way to the back.
from Hewitt |
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