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03suburban fuel pump wiring
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andyrevious
New User
Feb 22, 2013, 2:21 PM
Post #1 of 6
(2018 views)
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03suburban fuel pump wiring
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i have an 03 suburban that someone installed a 03 silverado fuel pump into and when they did that they had to change the wiring harness to work with the pump. i need to know which way the wires go to work the oem 2003 chevrolet suburban fuel pump can anyone help me please
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 22, 2013, 3:12 PM
Post #2 of 6
(1990 views)
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Re: 03suburban fuel pump wiring
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The pumps are the same. The plug is changed on every new pump because there was a design change. Just match the wire colors.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Feb 22, 2013, 3:14 PM)
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andyrevious
New User
Feb 22, 2013, 4:19 PM
Post #3 of 6
(1981 views)
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Re: 03suburban fuel pump wiring
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thank you there is just one more problem i have the oval plug but my wire colors are like the square plug. can i use the square plug colors but put them in the oval plugs order
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andyrevious
New User
Feb 22, 2013, 4:23 PM
Post #4 of 6
(1979 views)
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Re: 03suburban fuel pump wiring
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the colors are big black, big gray, small black, small purple the large gray and black would be the voltage and the ground right and the fuel level sensor is purple and small black is low reference
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 22, 2013, 4:34 PM
Post #5 of 6
(1971 views)
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Re: 03suburban fuel pump wiring
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Gray ... fuel pump feed
Lg Black .... fuel pump ground
Purple .... fuel gauge
sm black ... fuel gauge ground.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Sidom
Veteran
/ Moderator
Feb 22, 2013, 10:00 PM
Post #6 of 6
(1951 views)
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Re: 03suburban fuel pump wiring
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Low reference is GMs way of saying "ground".......
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