On '89 there is a fuel pump in each tank and one in frame rail by drivers . Eec also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. From the wiring diagrams i have the pcm has 4 grounds. The fuel pump relay is controlled by the pcm. I've got twin tanks but haven't checked the back of the tank selector switch because the wiring diagram shows that the high pressure pump .
I would also check to see if the fuel pump inertia switch has been tripped.
On '89 there is a fuel pump in each tank and one in frame rail by drivers . The fuel pump relay is controlled by the pcm. I held the relay when the switch was turned, and couldn't feel any bump indicating . I found and replaced the fuel pump relay. If all pumps are silent, then you likely have an electrical fault between the fuel pump relay and the inertia switch. When the ignition switch is turned on the fuel pump will operate, if the switch is not turned to start position, . Eec also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. From the wiring diagrams i have the pcm has 4 grounds. 1989 ford f 150 fuel pump wiring diagram. Fuel pump relay wiring diagram. I would also check to see if the fuel pump inertia switch has been tripped. Easiest would be fuel pump relay or inertia switch tripped or bad. Now for the wiring itself.
Now for the wiring itself. I've got twin tanks but haven't checked the back of the tank selector switch because the wiring diagram shows that the high pressure pump . Eec also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. On '89 there is a fuel pump in each tank and one in frame rail by drivers . I held the relay when the switch was turned, and couldn't feel any bump indicating .
On '89 there is a fuel pump in each tank and one in frame rail by drivers .
When the ignition switch is turned on the fuel pump will operate, if the switch is not turned to start position, . I held the relay when the switch was turned, and couldn't feel any bump indicating . Fuel pump relay wiring diagram. Now for the wiring itself. I would also check to see if the fuel pump inertia switch has been tripped. From the wiring diagrams i have the pcm has 4 grounds. The fuel pump relay is controlled by the pcm. On '89 there is a fuel pump in each tank and one in frame rail by drivers . I've got twin tanks but haven't checked the back of the tank selector switch because the wiring diagram shows that the high pressure pump . If all pumps are silent, then you likely have an electrical fault between the fuel pump relay and the inertia switch. 1989 ford f 150 fuel pump wiring diagram. Eec also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. I found and replaced the fuel pump relay.
When the ignition switch is turned on the fuel pump will operate, if the switch is not turned to start position, . Fuel pump relay wiring diagram. Eec also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. I would also check to see if the fuel pump inertia switch has been tripped. I've got twin tanks but haven't checked the back of the tank selector switch because the wiring diagram shows that the high pressure pump .
Now for the wiring itself.
I've got twin tanks but haven't checked the back of the tank selector switch because the wiring diagram shows that the high pressure pump . If all pumps are silent, then you likely have an electrical fault between the fuel pump relay and the inertia switch. Easiest would be fuel pump relay or inertia switch tripped or bad. From the wiring diagrams i have the pcm has 4 grounds. On '89 there is a fuel pump in each tank and one in frame rail by drivers . I found and replaced the fuel pump relay. I would also check to see if the fuel pump inertia switch has been tripped. When the ignition switch is turned on the fuel pump will operate, if the switch is not turned to start position, . Eec also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. I held the relay when the switch was turned, and couldn't feel any bump indicating . 1989 ford f 150 fuel pump wiring diagram. The fuel pump relay is controlled by the pcm. Fuel pump relay wiring diagram.
1989 Ford F150 Fuel Pump Wiring Diagram / Wiring Schematic For A 85 Efi 302 Ford Truck Enthusiasts Forums :. I held the relay when the switch was turned, and couldn't feel any bump indicating . Eec also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. 1989 ford f 150 fuel pump wiring diagram. I would also check to see if the fuel pump inertia switch has been tripped. On '89 there is a fuel pump in each tank and one in frame rail by drivers .
Easiest would be fuel pump relay or inertia switch tripped or bad 1989 ford f150 wiring diagram. The fuel pump relay is controlled by the pcm.
0 Comments for "1989 Ford F150 Fuel Pump Wiring Diagram / Wiring Schematic For A 85 Efi 302 Ford Truck Enthusiasts Forums :"