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Fuel pump fuse keeps blowing - 1999 Mercury Grand Marquis

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6ya6ya
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Posted on Jan 02, 2017

  • 1949 Answers

SOURCE: it keeps blowing the fuse for the fuel pump

might try fuel pump relay before u put in new pump

Posted on Feb 04, 2011

  • 81 Answers

SOURCE: the fuse to the fuel

unsure of where the fuse box is, but maybe the pump is trying too hard to pump fuel thru a partially plugged filter and is getting overloaded. has the filter been changed?

Posted on Mar 08, 2011

  • 4977 Answers

SOURCE: Blowing fuse #9 in underhood

you should have checked all the wiring at the pump/sending unit inside and out as sometimes there is an indication of shorted wires.the problem is definitely at the unit either internal or external.recheck the wires.i`m assuming you mean you have reassembled every thing back together and the tank is re- installed.if not and you mean you have it out of the tank and connected it and the wires are good and not touching anything then you have a bad pump(its happened before).

Posted on Jul 06, 2011

remy_22
  • 1 Answer

SOURCE: fuel pump fuse keeps blowing. replaced fuel pump , still blows,disconected air bypass valve, still blows, doesn't blow if i disconect the fuel tank wiring plug. how can i test the sending unit wir

You must change the mounting round plate that hold the fuel pump in place, I'm 100% sure that were the problem is, you needs to buy the fuel pump assembly came with the plate good lck.

Posted on Feb 12, 2013

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