Fuel pump won't work??????

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May 6, 2007 | 08:04 PM

1990Vet

Thread Starter

2nd Gear

Joined: Apr 2007

Posts: 2

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Fuel pump won't work??????

I bought this beautifull 1990 l98 6 months ago drove maybe 50 mile crapped a head gasket. I pulled everything apart and put the new set in took all of about two weeks. Now The fuel pump won't kick on. The fuse in passenger side fuse compartment has been replaced. I swapped out the radio relay with the fuel pump relay still no pump action. I have no fancy tool to check the computer. Can anyone tell my how to make to pump run with out changing around the oil presure switch?

May 6, 2007 | 08:24 PM

CFI-EFI

Race Director

Joined: Sep 2000

Posts: 17,298

Likes: 33

From: The Top of Utah

You can power up the pump to be sure it hasn't failed by jumping 12 volts to terminal "G" of your ALDL.

RACE ON!!!

May 6, 2007 | 09:15 PM

coupeguy2001

Le Mans Master

Joined: Sep 2006

Posts: 6,050

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From: Phoenix AZ

2021 C4 of the Year - Modified Finalist

pump

(that's the lower row, and all the way to the left)

May 6, 2007 | 09:40 PM

Repzard

Safety Car

Joined: Jul 2006

Posts: 3,696

Likes: 1

From: MA

Quote:

Originally Posted by coupeguy2001

(that's the lower row, and all the way to the left)

Yes G is the first one on the second row

Apply 12 volt to that plug just like CFI-EFI said and fuel pump should run

good luck

May 6, 2007 | 11:39 PM

RRT vette

Le Mans Master

Joined: Feb 2006

Posts: 8,753

Likes: 9

From: Louisiana

As long as the wiring to the fuel pump and connections are good, when you apply 12v to terminal G of the ALDL...the fuel pump should run. You can test the connector at the fuel pump. It should have battery voltage. If it does and the pump still doesn't run, consider the pump or connection to it faulty.