wiring harness

I won’t have a problem with getting the engine in the truck. I’m not sure how I’m going to get all the computer and wiring to sync with the truck. Any information on parts or tips to do the swap would be awesome. Thanks

Edelbrock intake Performer 2101 with TBI adapter plate, stock TBI out of a 1989 suburban. Fuel fittings, fuel pressure gauge, coil, distributor, computer, wiring harness, air filter and adjustable throttle cable. asking $250 for everything. Will ship from 80005 or deliver in the Denver metro...