ok so i just got this 90 si hb. (not running) and well someone tried to swap it, they got the jumper obd0 - obd1. the motor is in the car along with the whole obd1 harness. now here is where they got in over ther heads. there is no obd0 engine harness left besides the plugs at the firewall. my question is does anybody have the 3 white plug pin outs? as well as the grey plug pinouts? i am just going to convert the white plugs to greys

 

ill make it easy for you. the stock OBD1 harness WILL NOT WORK. i have my own personal pin outs that i made, and i can tell you, the wiring on the HB are different than the OBD1.

here is an example of what im trying to say..
fuel injector wiring on the hb are located on the driver side, and on the OBD1 harness they are located on the passenger side. and the alternator wiring for the HB original harness are located on the passenger side where on the OBD1 harness they are split up between the passenger and driver side.


if you need a harness to plug into the stock shock tower plugs from your car, lmk i can build you a brand new one that will work. lmk

 

yup it looks like i will be taking the obd1 harness apart then. i have a choped obd0 harness to help with some clips.... whaaa hooo... i am in this one for atleast a good 3 days