ok i recently bought a 89 rex dx and i saw the harness to the ecu it was messed up so i thought i could fix it well come to fund out it when i pulled out the dash that alot of wires where cut some where just disconnected ok now the question is i have a d15b vtec and its obd1 i wanna do the whole conversion the dash to engine bay from obd0 to obd1 can some one tell me if its possibleand or from from what car i can get the harness from im guessing i might need the one from an eg but but i need info help please

 

Located in the FAQ at the very tippity top of the forum.

https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/d-i-y-faq-obd-0-obd-1-pinouts-conversion-help-1319235/

 

tha didnt help i need to know can i use an obd1 dash harness from a diffrent car will it work what do i need to do

 

If you want to use an OBD-1 dash harness you will need to switch over all your components, or modify them in ways I wouldn't want to touch with someone else's slong.

 

hahaha^ that one gave me a chuckle