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Re: Wiring diagram for fuel pump on a 1998 chevy 1/2 ton...
Give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on a Haynes auto repair manual for your truck wish you the best of luck Michigan Man.
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What makes you think fuel pump fuse is bad or the reset switch ? ( inertia fuel cut off switch ) Did you test for B+ volt or are you guessing ? Buy yourself DVOM - digital volt ohm meter an test the fuel pump electrical circuit ! Besides fuel there is also an ignition system , is there spark ? There are some good videos on youtube on trouble shooting these systems , also on how to read a wiring diagram ! An you can view wiring diagrams for free at http://bbbind.com/free_tsb.html also check out video on basic electrical systems testing ! Remember, test don't guess !!!!!
Wiring diagrams for 1980 trucks are contained in a separate Wiring. Diagram Booklet.... Some of these service operations require the use of tools specially designed .... 1-1/2 Ton. 2-3/4 Ton. 3-1 Ton. 4-1/2 Ton (W/HDSusp). Fig. 0A-3-Vehicle Identification Number ... Right Hand Side of Cylinder Block at Rear of Distributor.
The fuel pump assembly consists of fuel pump relay,fuel sensor,the fuel pump controlling fuse,its ECM B fuse.
The fuel pump and oil pressure switch.
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For its wiring diagram, click the link below and refer the diagram:---
http://technoanswers.blogspot.com/2011/10/fuel-pump-wiring-diagram-for-1998-chevy.html
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This should help.Thanks.Helpmech.
grey wire is power to your your fuel pump when cranking, however they had problems with the connector at the fuel pump and you may need to replace the pump. hope this helps, leave comment.
Our son's erstwhile Ford something had a shock sensitive switch that when tripped by a big pothole, shut the (electric) fuel pump off and had to be reset before it would function again.
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