92 ls motor in 91 civic hatch

i put a 92 ls motor in my 91 civic dx and it has been like 6 months and i still havent gotten it started. what wiring harness should i use?

did the engine come with a cut wiring harness
these are both obd1 right
my friend didn't use any harness but hardwired everything himeself
took about a day or so

A 92-93 Integra would be OBD1

A 90-91 Integra would be OBD0

Your Civic is OBD0, therein lies your problem.