Ok guy my English is not very good so I hope u guy know what I am try to say lol ok I buy a 1990 crx dx auto like a shell and I buy a si harness I don't know what year I know is mpfi so I installing all the engine and under the dash harnees but when I was going to plug the si harness in the dx rear harness where the tail light and fuel pump is the plug in the dx is bigger and have more wire what can I to I don't find the rear harness in any junk yard where I life I need help guy

 

It may not help you much right away, but quite often Honda harnesses have a part number sticker on them, which should help you to identify what you have. If that fails, take some pictures, and post them here. People here know their cars (and wires) by heart.
Good luck.

 

I would post pics tomorrow when I get out of work and I would look for the numbers u say to thank u

 

I would not be surprised if you have the si harness from an 88 or 89.


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