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blown 30 amp fuse am2

  #1  
Old 12-16-2011, 09:14 PM
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Default blown 30 amp fuse am2

i have a 94 camry 2.2 every time i turn the key the am2 #7 fuse blows.the car won't start. it acted liked the fuel pump was bad so i replaced it. i removed all the fuses hoping to narrow down a bad circuit but the am2 blows every time even with no fuses in. please help it's driving me nuts.
 
  #2  
Old 12-17-2011, 11:01 AM
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AM2 powers ign system, fuel injectors, ECU, plus a host of sensor.

The ign system has White/Red Orange/Black wiring.

The fuel injectors, etc Orange/Black wiring.

The ign circuit has a noise filter (condenser). The condenser can fail, shorting the wiring to ground. Check the noise filter for shorts. Location is drivers side of engine compartment upper strut tower mount facing the firewall.
 
  #3  
Old 12-18-2011, 08:12 PM
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put back the previous ignition, I think your fuses is the problem try other fuse.
 
  #4  
Old 12-19-2011, 07:23 PM
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I did'nt change the ignition, I replaced the fuel pump.
 
  #5  
Old 12-19-2011, 10:24 PM
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The EFI fuse powers the fuel pump motor.

The Gauge fuse powers the fuel tank quantity sender.

If you think it is the fuel pump disconnect the harness plug then with ign off check for grounded harness wires.
 
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