Alright so i am swapping a wrecked 99 si into a 91 hatch and i need some help. I know i need a wiring harness from the obd2 to obd1. I just need to know what else i need like for the tranny bcuz its not cable..so if you cld throw some info my way it wld be greatly appreciated.

 

https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/88-91-crx-ef-civic-frequently-asked-questions-faqs-1508680/ check it out take some time and read through all that may apply to you, otherwise a mod will lock your thread since this is common knowledge that has been stickied already for you..... Good Luck!

 

hasport will have mounts, and also cable to hydro hardware as well. best off to use your stock harness and just use a few jumpers and such to switch to obd1. please search since you havent already done so