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3500 chevy 1996 6.5 turbo deisel dually.ecm#1 kept blowing fuse.found bare wires fixed them now truck wont crank.it has fuel changed midway pump. Has spark too.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 958 Answers

SOURCE: 20 amp ECM B fuse

check again the fuel pump. check the resistance if too low. or unplug the pump and put a fuse again, if the fuse will not blow, then the pump went bad again.

tnx 4 using fixya,

drcool

Posted on Oct 27, 2008

  • 14036 Answers

SOURCE: the ECM fuse keeps blowing out

check the wiring to fuel tank something shorting. replace wires to fuel tank.

Posted on Apr 09, 2009

  • 1 Answer

SOURCE: 2001 nissan maxima se keeps blowing the ecm 1 fuse

Did you find the prolbem? Im having the exact same problem you have. Mine is doing it after it died and I replaced the starter but now it wont start and the fuse eng cont 1 keeps getting burned out instantly

Posted on Aug 06, 2010

  • 7 Answers

SOURCE: Chevy 1998 Express 1500 8 cyl Keeps blowing ecm-b fuses

i have a 1998 3500, with the 5.7v-8, and fought electrical problems for eight months now. i believe it is a problem within the chevy van, because a lot of people complain about blown fuses. my fuse was the ecm-b fuse as well, and after cleaning all the grounds and bat. connections, starter connections, and disabling the a/c circuit, on the advice of another poor van owner i replaced the ignition coil. six months so far, and no problems. this might help you as well. mine did not have any visable problems, but he was persistant, so i did it. good luck

Posted on Aug 22, 2010

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My 1996 chevy barretta the fuel pump wont kick on how do i check to see if the pumps bad or if its something else it was running just fine last nite when i parked it and i went to start it this morning and...


A fuse will blow for 2 reasons . 1) If the device has a Short in the circuit that runs through this fuse. 2) If the device draws more amperage from the power source through the fuse than the fuse will handle. ex. if a fuel pump or starter has a 20 amp fuse and the starter/fuel pump is going bad and draws 30 amps it will blow the fuse. A fuel pump on a 1996 vehicle is located in the fuel tank and is kept cool by the surrounding gas and the gas that flows through it. Overheating a fuel pump is virtually impossible. That being said there is a High probability that replacing the fuel pump and relay will fix this problem. It is quite common for this to occur in the GM vehicle of 1996. When the pump starts to fail, it draws an excessive amount of amperage and would blow the fuse. Hope you find this information useful.

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3 Answers

Blowing ECM-B fuses


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The problem is almost certainly a fuel pump wire harness short, caused by a dying fuel pump. I have both had this problem myself, and repaired it on three other vehicles. On my vehicle, the wire harness had welded itself together when the fuel pump locked up, and the wire harness caught on fire.
The fuel pump is in the gas tank (of course my tank was full), and the tank has to be dropped to access it. The wire harness is modular, with plugs at both ends, and can be bought from the Chevrolet or GMC dealer.
If you put an incorrectly-rated fuse anywhere in your vehicle's electrical system, the WORST place to do it is where you have--the fuel pump circuit. Fuses blow for a reason, and the manufacturer's engineers properly size the fuses for the application at hand. Please don't do that again.
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1 Answer

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