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difference between OBD I & OBDII ????

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Old 05-19-2009, 08:39 AM
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Icon7 difference between OBD I & OBDII ????

i have 2 harnesees, 1 its a 94 non vtec Harness and the other has the same exact plugs but with the vtec cable in the plug that goes by the firewall but different plug configuration, how can i tell the difference ? or may i also have 2 OBD I harnesses from a single cam ?? so confused
Old 05-19-2009, 08:42 AM
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Default Re: difference between OBD I & OBDII ????

are all the color of the wires the same?
Old 05-19-2009, 08:52 AM
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Default Re: difference between OBD I & OBDII ????

Originally Posted by EG6Boy702
are all the color of the wires the same?
not all, like the one on the plug for the alternator arent the same exact color , and a few plugs arent in the same place on both harneses
Old 05-19-2009, 09:03 AM
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Default Re: difference between OBD I & OBDII ????

your gonna have to search thats probably your best bet
Old 05-19-2009, 09:40 AM
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Default Re: difference between OBD I & OBDII ????

i believe u can look at the injector clips and tell if they are obd1 or obd2 style
Old 05-19-2009, 12:01 PM
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Default Re: difference between OBD I & OBDII ????

what would be the tells of a obd1 or obd2 for the injector clips?
Old 05-19-2009, 01:32 PM
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Default Re: difference between OBD I & OBDII ????

Originally Posted by shytdoode
what would be the tells of a obd1 or obd2 for the injector clips?
obd2 style is black with a blue clip in the middle like one pics posted in this link 10th post down

https://honda-tech.com/forums/tech-misc-15/modifying-obd2-injector-clips-work-obd1-injectors-1936840/

obd1 style is usually grey with a metal C clip looking thing on the outside

im not 100% sure on the colors but the blue clip is a for sure for obd2 style
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