30 amp EEC and fuel pump fuse keeps popping

Tiny
BRANDONDBENTON87
  • MEMBER
  • 1992 LINCOLN CONTINENTAL
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 88,000 MILES
The 30 amp EEC and fuel pump fuse under the hood keeps popping and has flow of 12 volts with the fuse removed the other side shows 2 volts on the voltmeter. What should I check now and are there any wiring diagrams available?
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Wednesday, October 21st, 2020 AT 3:27 PM

25 Replies

Tiny
ASEMASTER6371
  • EXPERT
Good evening,

I attached a wiring diagram for you to view.

I would disconnect the inertia switch and see if the fuse still fails.

https://www.2carpros.com/articles/how-to-check-wiring

If it does, it could be the fuel pump. If it does not then it could be the ECM or wiring at the ECM.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

The inertia switch is located on the LH side of trunk, below air suspension electronic control module.

Roy

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Wednesday, October 21st, 2020 AT 4:23 PM
Tiny
BRANDONDBENTON87
  • MEMBER
Okay, thank you. If that doesn't work are there any other wiring diagrams you can send me for the ECM? Do you think it could be a short somewhere?
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Wednesday, October 21st, 2020 AT 7:51 PM
Tiny
ASEMASTER6371
  • EXPERT
One step at a time to try to narrow the area of failure.

Start with the inertia switch and let me know so we can proceed.

Roy
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Thursday, October 22nd, 2020 AT 4:05 AM
Tiny
BRANDONDBENTON87
  • MEMBER
Okay, thank you. I will lyk today after I try that.
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Thursday, October 22nd, 2020 AT 5:10 AM
Tiny
ASEMASTER6371
  • EXPERT
You are welcome.

Keep me updated.

Always glad to help.

Roy
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Thursday, October 22nd, 2020 AT 5:12 AM
Tiny
BRANDONDBENTON87
  • MEMBER
It ran for like 30 seconds then the fuse popped when I revved it up I unplugged the inertia switch with the key out it blew the fuse right away there is a computer mounted above the radiator fan that vibrated and made a noise for a second any suggestions where to look next.
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Friday, October 23rd, 2020 AT 2:32 PM
Tiny
ASEMASTER6371
  • EXPERT
Okay, then it is not the fuel pump.

Unplug the fan controller and see if the fuse still fails.

That is the piece on top of the radiator shroud.

Roy

1. Disconnect battery ground cable, then remove radiator sight shield.
2. Disconnect electrical connector, then remove integrated relay control assembly from radiator support.
3. Disconnect electrical fan connector, then separate connector located at top of fan shroud.
4. Remove male terminal connector clip from shroud mounting tab, then remove air bag crash sensor.
5. Remove fan shroud from radiator.
6. Lift cooling fan module to disengage from lower radiator clip and end tab.
7. Slide cooling fan module clear of radiator hose connector, then remove two engine wire harness clips from side of fan shroud. Lift module past radiator.
8. Reverse procedure to install. Torque shroud to radiator nuts and bolts to 36 inch lbs.
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Friday, October 23rd, 2020 AT 2:43 PM
Tiny
BRANDONDBENTON87
  • MEMBER
Unplugged the fan controller tried to start it would not start but did not blow the fuse. Plugged it back in started it and it blew the fuse instantly. Could there be an issue with the wiring or is the fan controller the issue?
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Friday, October 23rd, 2020 AT 3:12 PM
Tiny
ASEMASTER6371
  • EXPERT
The fuel pump relay is part of the module. That is why it would not start.

It is a very common failure.

Replace the module.

Roy
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Friday, October 23rd, 2020 AT 3:13 PM
Tiny
BRANDONDBENTON87
  • MEMBER
Okay, thanks again. I will try that.
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Friday, October 23rd, 2020 AT 3:15 PM
Tiny
BRANDONDBENTON87
  • MEMBER
Would you recommend a used or new one? And what is the technical name of the module?
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Friday, October 23rd, 2020 AT 3:18 PM
Tiny
ASEMASTER6371
  • EXPERT
New only. You can get it at Rock Auto.

Roy
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Friday, October 23rd, 2020 AT 4:08 PM
Tiny
BRANDONDBENTON87
  • MEMBER
Okay, what is the technical name?
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Friday, October 23rd, 2020 AT 5:12 PM
Tiny
ASEMASTER6371
  • EXPERT
Cooling fan control module.

Can you give me the part number of the old one? I will see if I can find you one.

Roy
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Saturday, October 24th, 2020 AT 3:47 AM
Tiny
ASEMASTER6371
  • EXPERT
This is the procedure:

Roy

1. Disconnect battery ground cable, then remove radiator sight shield.
2. Disconnect electrical connector, then remove integrated relay control assembly from radiator support.
3. Disconnect electrical fan connector, then separate connector located at top of fan shroud.
4. Remove male terminal connector clip from shroud mounting tab, then remove air bag crash sensor.
5. Remove fan shroud from radiator.
6. Lift cooling fan module to disengage from lower radiator clip and end tab.
7. Slide cooling fan module clear of radiator hose connector, then remove two engine wire harness clips from side of fan shroud. Lift module past radiator.
8. Reverse procedure to install. Torque shroud to radiator nuts and bolts to 36 inch lbs.

Description

The EEC Module receives signals from the Engine Coolant Temperature Sensor, Vehicle Speed Sensor, and Clutch Cycling Pressure Switch to determine if the Electric Cooling Fan should be activated. When conditions are met to activate the Electric Cooling Fan, the EEC Module will provide a signal to energize the EDF Relay (2.3L and 3.0L) or HEDF Relay (3.0L only) and operate the Cooling Fan.
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Saturday, October 24th, 2020 AT 3:50 AM
Tiny
BRANDONDBENTON87
  • MEMBER
F1d7 aa is the part number I think.
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Saturday, October 24th, 2020 AT 6:49 AM
Tiny
ASEMASTER6371
  • EXPERT
No, there are a lot more numbers.

Roy
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Saturday, October 24th, 2020 AT 7:33 AM
Tiny
BRANDONDBENTON87
  • MEMBER
Okay, I will look and see.
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Saturday, October 24th, 2020 AT 8:28 AM
Tiny
ASEMASTER6371
  • EXPERT
Okay, keep me updated.

Roy
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Saturday, October 24th, 2020 AT 8:40 AM
Tiny
BRANDONDBENTON87
  • MEMBER
This is it is this the module you were referring too.
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Saturday, October 24th, 2020 AT 8:46 AM

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