3/29/2023 0 Comments Symptoms of a bad fuel pump module![]() ![]() NEXT, CHECK FOR FUEL PUMP SIGNAL AT THE FUEL SYSTEM CONTROL MODULE.Ĥ. THIS WILL POWER THE PUMP TO RUN AND CHECK FOR A FAULTY FUEL PUMP. CONNECT PIN32 (RD/WH BATT + ) TO PIN47 (GY FUEL PUMP 12+) CONNECT PIN1 (BLACK GROUND) TO PIN16 (PINK GROUND)Ģ. BEFORE TESTING, ENSURE THAT BOTH FUEL RELATED FUSES HAVE BEEN REPLACED:ġ. ![]() PLEASE REFERENCE THE DIAGRAM TO HELP PROPERLY DIAGNOSE A FAULTY FUEL SYSTEM CONTROL MODULE. YOU WILL ALSO FIND THE PIN OUT DIAGRAM FOR THE FUEL SYSTEM CONTROL MODULE FOUND ON 2007 AND NEWER GM VEHICLES. ![]() AT THE BOTTOM OF THIS PAGE, YOU WILL FIND THE YOUTUBE VIDEO FOR THIS PROCEDURE. ![]()
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