Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

JDM vs USDM ECU - wiring problems

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Old May 28, 2008 | 08:39 AM
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Default JDM vs USDM ECU - wiring problems

I have some sort of wiring issue: here is what is happening

running LS/Vtec w/ obd2-obd1 jumper

with virgin JDM P72 OBD1 ecu hooked up it runs fine just pulls knock sensor light every once in awhile

with 2 different USDM P28 obd1 ( 1 chipped on was not) they both immediately started smoking - literally started smoking,

anyone have any ideas?????
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Old May 28, 2008 | 10:01 AM
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bump
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Old May 28, 2008 | 10:39 AM
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Default Re: (jksmith)

You have the connectors for the EVAP purge solenoid and IAT sensor swapped. You now most likely have a melted IAT sensor as well as two P28 ECUs with Q31 fried.
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Old May 28, 2008 | 11:45 AM
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is there a simple easy cheap fix??? i dont want to buy a new engine harness....
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Old May 28, 2008 | 04:10 PM
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bump!!
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