Fuel pump power

Tiny
VANMAN42
  • MEMBER
  • GMC SONOMA
What would cause the fuel pump power wire (the purple one) to only have 5 volts? Its a 97 gmc sonoma.
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Friday, October 6th, 2006 AT 12:11 PM

1 Reply

Tiny
VANMAN42
  • MEMBER
Never mind it does have 12 volts when you first turn the switch on, then drops to 5 volts
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Friday, October 6th, 2006 AT 1:15 PM

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