NEED HELP FAST mid swap

Ok im pulling a b18a out of a 91 teggy to swap into my 89 si hatch. I have the radiator hoses off mounts loose axle hub loose. OK here is my question should i remove the complete engine harness from the b18 and leave it in the teg, or pull it out with the motor? i know this eng into an si should be "plug and play" but i want to be sure i understand it right before i go unplugging stuff also anyone that knows a link to a page that has instructions on this swap please guide me to them

(my first b series swap)

THank You
Ryan

If you can snag it up grab it, never know when you might need a plug or some thing of the sort.

im just asking if i have to use that to put the b18 in my hatch ive noticed it has like 2 more plugs then my hatch one on each side. I own the teg and im gonna keep it around. so should i use the b18 eng harness for my swap it will also make it easier than finding all the connections on the eng

use the harness from ur car and add any plugs that u need

ya, you are goin to use your SI harness with the B18, but like he said yo unwever know when you might need an extra plug

yeah just use your Si harness. i know on my b16 when I put the Si harness on I had an extra white plug on the back by the knock sensor. but yet keep the teg harness for later use.

thanks so i just need to use my si harness and see whats left over, i guess if i have extra plugs and it runs right then ill be good