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Fuel pump fuse

Tiny
RCTEETOR
  • MEMBER
  • 2008 HYUNDAI SANTA FE
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 76,112 MILES
Fuel pump fuse blowing when trying to start. It is a crank no start. Fuel pump is not priming when turning key to on position. Looking for circuit diagrams that might be helpful. Thanks
Tuesday, February 2nd, 2021 AT 7:30 AM

8 Replies

Tiny
SEVAG P
  • MECHANIC
  • 405 POSTS
Hello,

It sounds like fuel pump has internal short circuit, remove fuel pump connector. recheck if the fuse blown again then you must check the wiring between the fuse and positive of the fuel pump, check the wiring diagram below.

check our link below how to check the wires.

https://www.2carpros.com/articles/how-to-check-wiring

Let us know what happens with you.

thank you.
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Tuesday, February 2nd, 2021 AT 9:16 AM
Tiny
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Had already tested starting with fuel pump connector disconnected and fuel pump fuse does not blow. What does this tell me?
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Tuesday, February 2nd, 2021 AT 9:54 AM
Tiny
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Also, if the blue wire at the connector is the power, I am not getting power with my test light connected to ground and key turned on.
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Tuesday, February 2nd, 2021 AT 9:57 AM
Tiny
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Hello,

When the connector removed and the fuse does not blow then fuel pump must be replaced.

Check the voltage of the blue wire when cranking the engine you must get 12 volt. Not in ignition on.
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Tuesday, February 2nd, 2021 AT 10:03 AM
Tiny
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Thank you. Can I run wires from battery back to pump and see if it turns pump on?
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Tuesday, February 2nd, 2021 AT 11:28 AM
Tiny
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  • MECHANIC
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Yes, just for diagnosis purpose and be careful from fuel fumes they are extremely flammable.
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Tuesday, February 2nd, 2021 AT 1:05 PM
Tiny
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Thank you.
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Tuesday, February 2nd, 2021 AT 1:15 PM
Tiny
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You welcome. Let us know what happens with you.
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Wednesday, February 3rd, 2021 AT 6:50 AM

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