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Keeps blowing ignition fuse under steering wheel

Tiny
KRISTIE RODEN
  • MEMBER
  • 1990 MAZDA B2600
  • 4 CYL
  • 2WD
  • MANUAL
  • 244,000 MILES
I tuned it up put new fuel pump. We can drive it cut it off then it acts won't crank I find blower 15 amp fuse I put a 20 amp in it tried to start then blew the fuse again I un plugged fuel pump and it didn't blow fuse again can you head me in the rite direction thanks j
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Friday, September 4th, 2015 AT 12:15 PM

1 Reply

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
It sounds like you got a defective fuel pump. Use a multimeter to see if it's shorted. One lead to ground the other lead to the hot input side of the pump. You should read either an open or a high resistance.
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Friday, September 4th, 2015 AT 12:43 PM

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