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2001 GMC Sierra help!

Tiny
MIKE2973
  • MEMBER
  • 2001 GMC SIERRA
2001 GMC Sierra

i changed a gas tank in this truck because of a leak and put in a new tank, used the old pump and reground the ground wire and im getting nothing. Vehicle wont start and I dont hear the pump come on? What now?
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Saturday, November 21st, 2009 AT 3:08 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum, engine cranking, did you check for voltage at the pump connector? If no voltage, check the circuits at the fuel pump relay. Voltage to load side of relay is hot all the time. Voltage to coil side of relay goes hot key on, a few seconds, for the initial prime. Engine cranking, hot all the time.
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Saturday, November 21st, 2009 AT 3:37 PM

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