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jazzmaster
jazzmaster, ASE Certified Technician
Category: Chevy
Satisfied Customers: 2951
Experience:  ASE .AUTO TECH FOR THIRTY-FIVE YRS,ELCTRICAL,FUEL INJECTION ETC.
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Changing out fuel pump 2001 Chevy express 4.3, old

Customer Question

HI, changing out fuel pump 2001 Chevy express 4.3, old connector-A/Purple, B/ Gray, C/Blk, D/Blk&Wt. New connector (Delphi) Precise pump, Org/Blk, Gray Lg wire, purp, Blk Lg wire.
Submitted: 1 year ago.
Category: Chevy
Expert:  jazzmaster replied 1 year ago.

hi, the grey wire goes to the grey lg wire

the purple wire goes to the purple wire

the black wire goes to the black lg wire and the

black/wh wire goes to the orange/blk wire

the grey is for the fuel pump hot and the blk for the fuel pump ground

the purple wire is for the fuel gauge and the org/blk is for the fuel gauge ground ..jazzmaster ..

Expert:  jazzmaster replied 1 year ago.

also, it is a good idea to hook up the pump ,before putting it back in and just turning the key to on to make sure the pump comes on for 2-3 seconds ,then it will shut off .

then with the key still on .move the float level up to make sure the fuel pump level is working ..thank you ..jazzmaster ..

Expert:  jazzmaster replied 1 year ago.

if you still need help -please let me know.If I helped you please rate me positive and if need be can continue on ,,thank you ...jazzmaster