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ls swap no power to ecu

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Old Jul 7, 2022 | 10:21 PM
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Default ls swap no power to ecu

im getting ingition voltage to the ecu , i have power at the fuses to the ecu as well , fuses are good checked power on both sides of fuses , all grounds good checked with power probe at the ecu plug in pins , i need ideas . im not getting any voltage at the ecu pins 12v power , other pins in the ecu are getting voltage for example pin 19 is getting voltage , pins 20 and 57 are not . i mean lets say wires broken , just these wires ?!! im not buying it. am i missing something ?
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Old Jul 8, 2022 | 10:59 PM
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update , sure enough a broken wire , now to check for spark tomorow , fuel pump primes as it should so im getting happier...
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Old Jul 10, 2022 | 10:41 PM
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update , have no spark , traced back to no voltage to the crank sensor , all fuses are good , any ideas on why there is no voltage to the crank sensor ? i traced wires back to ecu / pcm pin 2 pin 12 and pin 21 all blue side , unplugged blue side ran 12 volts through wires to plug all have continuity. ideas anyone ?
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