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crank, no spark, no fuel, good fueses, good main relay

  #1  
Old 06-28-2010, 12:17 AM
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Default crank, no spark, no fuel, good fueses, good main relay

alright,1992 honda civic hatch, d15b8 p05 ecm. so i was working on wring a a fuel level gauge when i touched my + to my neg wire to my fuel pump. ive checked all i can think of, my fueses are all good and i got a new main relay, my wires are good, checked those, if i wire 12v to the fuel pump it runs but the car wont spark now? bad ecu? i cant even find my map sensor i dont even know if i have one to be honest? please help!!
 
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Old 06-28-2010, 12:19 AM
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bump..
 
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Old 06-28-2010, 12:24 AM
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recheck ur fuses
 
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Old 06-28-2010, 12:27 AM
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ive checked every fues twice today, and looked at my wiring diagrams and checked all my fuel fuses. it seems like the ecu wont send a signal to the main relay to run the fuel pump? no signal from the wire from the ecu, but if i use a jumper wire it will run the pump. new relay too...
 
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Old 06-28-2010, 12:34 AM
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there is a 30 amp fuse under the dash that runs the fuel pump and ecu
 
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Old 06-28-2010, 12:36 AM
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ill go check again bro, i appreciate the help by the way. ill post again in a sec
 
  #7  
Old 06-28-2010, 12:40 AM
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ok i had two and i checked both one was to the far right, right of 11, and one was 2 i think and their both good
 
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Old 06-28-2010, 12:45 AM
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and the fuses under the hood are good??
 
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Old 06-28-2010, 12:47 AM
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ya i changed one just because it looked black, but it made no diff. if its a fues im not seeing it, i checked them all. could it be my ecu?
 
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Old 06-28-2010, 12:51 AM
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i doubt its the ecu, usually a fuse will blow. under the dash is a 30 amp fuse that is on the side of the fuse box, that should be the ignition fuse its what sends power to the ecu and fuel pump, do you have a test light?
 

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