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#1
11-11-2009, 09:43 PM
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No power to fuel pump
On my 1997 350 tbi there is no power going to the fuel pump. I have changed relays and still nothing. THis all started after pulling the transmission and changing it. I dont know what else to do. Could it be the oil switch? It looks ok cosmetically but I dont know. Please help.
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#2
11-12-2009, 11:13 AM
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Re: No power to fuel pump
The gray wire is power to the pump thru the relay (when energized). Power comes from the ECM B fuse in the underhood relay box. This power thru the relay is only there for 2-3 secs when the key is turned to the run position.
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57 Chevy 210 65 Olds 442 Convertible (Another one sold) 75 GMC Vandura 3/4 Ton 1999 K2500 Old Body Style Suburban (Gone but not forgotten) 05 Dodge Ram 3500/5.9 Cummins 2012 Toyota FJ Cruiser
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#3
11-12-2009, 11:43 AM
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Re: No power to fuel pump
Jump 30 and 87 at the relay and then check for power at the pigtail.
__________________
ASE Master Certified before the age of 20 Current Cars: 2001 Chevy Silverado 1500 Z71 5.3L 1996 Acura Integra LS B18 1.8L Past Cars: 1990 Buick Estate Wagon 5.0L 1987 Chevy S10 2.5L Tec Four 1995 Pontiac Grand Am 2.3 Quad 4 1996 Jeep Grand Cherokee Limited 5.2L AWD 1991 Ford Tempo L 2.3L 1992 Buick LeSabre 3.8L 1997 Buick Century 3.1L 1996 Lumina APV GT 3.4L 2006 Ford Escape 3.0L XLT
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