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Fuel pump is not getting power?

Tiny
TYMONEY
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  • 22 POSTS
The new connector works and fits it.

I believe it's wire wrong like you said.
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Wednesday, March 27th, 2024 AT 6:31 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,401 POSTS
Do you get battery voltage at the orange wire? (I believe you said it is connected to the gray wire.)

Also, is there continuity to ground via the black wire?

Joe
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Wednesday, March 27th, 2024 AT 6:45 PM
Tiny
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Yes, the orange wire set to be grey wire would be the 87 on the relay. All power is there even the 85 cones on for 2 seconds and stops.
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Wednesday, March 27th, 2024 AT 6:49 PM
Tiny
TYMONEY
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Joe, what do you think I should do disconnect the fuel pump wires and only plug in the 3 wires instead of 4.
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Thursday, March 28th, 2024 AT 10:47 AM
Tiny
TYMONEY
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  • 22 POSTS
Then man does it show and ground connections to the frame for the fuel pump?
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Thursday, March 28th, 2024 AT 1:07 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

The ground for the fuel pump is G103. It is located at the rear of the right cylinder head. That would (should) be the passenger side. I attached the schematic below.

Let me know.

Joe

See pic below.
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Thursday, March 28th, 2024 AT 8:02 PM
Tiny
TYMONEY
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Key off on negative 30 is on ground nothing on the others off. Key off. On positive 30 is off 87 on 86 is on 85 off. Turn key 30 is off 87 on 86 on 85 2 seconds then off.
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Friday, March 29th, 2024 AT 1:16 PM
Tiny
TYMONEY
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Hi Joe, happy Friday, that's where I'm at the connector is right with grey to grey, purple to purple black to black with stripe to the same every is connected right. I'm going to open the PCM to see if it's going to be what it's supposed to be.
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Friday, March 29th, 2024 AT 1:18 PM
Tiny
TYMONEY
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  • 22 POSTS
The first paragraph is the power from the fuel pump relay. As of right now, is the right let me know please.
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Friday, March 29th, 2024 AT 1:19 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

The power from the relay should be the gray wire. As far as what you are finding, it does sound correct.

I'm sorry for the delay in getting back to you. It has been a rough couple of days.

Take care and I hope you have a Happy Easter.

Joe
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Saturday, March 30th, 2024 AT 8:59 PM
Tiny
TYMONEY
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Hey Joe happy Easter. I was wondering does the van have an inertia switch?

Hope all is well with you.
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Sunday, March 31st, 2024 AT 2:00 PM
Tiny
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Hi,

The van doesn't have an inertia switch. Ford uses them and not GM. On a GM, the ECM is what controls power shut down to the pump.

Joe.
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Monday, April 1st, 2024 AT 3:45 PM
Tiny
TYMONEY
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Joe man happy Monday well I'm going to replace the ignition coil and I've cleaned the PCM it had brake fluid in it heavy and did some soldering too repair. We need it this weekend for big family events this Sunday.

Is there anything you can think of that may help get it started?
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Monday, April 1st, 2024 AT 5:12 PM
Tiny
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Hi,

I'm not sure what to add. It sounds like you have done a lot of work. Let me know how things turn out for you.

Joe
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Tuesday, April 2nd, 2024 AT 10:29 AM

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