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Old 05-26-2015   #1
QB93Z
 
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Join Date: May 2007
Location: Westminster, Maryland
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Default Re: Jumper to avoid being stranded with a failed Primary Fuel Pump

Quote:
Originally Posted by Dynomite View Post
Just so I understand this Jim......

The jumper you made up can be much shorter as it is only used to just switch wiring within the connector?

Exactly which wires are switched?
We have green, white, red, black wires from bottom to top on each side of the connector.
Green (on right) now goes (in your jumper connector) to what color (on left) and so on? I assume only two wires are switched....which two?
There are four wires in the connector:

Black - DC ground
Purple - Fuel level sensor signal to the fuel gauge display
Gray - 12 vdc to a fuel pump
Lt Green (or Green/White) - 12 vdc to the other fuel pump

My short jumper is just a cross-over jumper, as Cliff said. By switching (crossing) the gray and green wires, the 12 vdc from the Primary Fuel Pump is routed to the Secondary Fuel Pump.

The part number for the connector on the harness (car side) is:

Connector, elec, Fuel Pump, Male GM 12085534 (AC Delco PT145)

Here is the part on Amazon:
http://www.amazon.com/ACDelco-PT145-.../dp/B000C9SNX0

I haven't verified by ordering the connector for the pump side of the connection. I got the connector I used from a take-out fuel pump assembly from WAZOO donated parts. I THINK (but haven't verified) that GM 88861069 is the female connector, but I can't find a source with a picture.

Jim
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Old 05-26-2015   #2
Dynomite
 
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Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,816
Default Re: Jumper to avoid being stranded with a failed Primary Fuel Pump

Quote:
Originally Posted by QB93Z View Post
I haven't verified by ordering the connector for the pump side of the connection. I got the connector I used from a take-out fuel pump assembly from WAZOO donated parts. I THINK (but haven't verified) that GM 88861069 is the female connector, but I can't find a source with a picture.

Jim
Thanks Jim
I am not so sure about that GM88861069 for female connector. I cannot find that on Amazon. If someone finds a source of that female connector that would be great......
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Old 05-26-2015   #3
GOLDCYLON
 
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,117
Default Re: Jumper to avoid being stranded with a failed Primary Fuel Pump

Hmm i'm piecing some parts together. If it works out I could make a small run of these to those who are interested if Jim is not adverse to it. Jim any issues since its your idea ?
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GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

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