swapping a 2001 gsr into my 98 gs integra
the gsr is comming out of the origanal car and just wanted to know how to wire the vtec i know ill have to get an obo2 a ecu just need to know how to wire everything pic too if possible

 

You have two options.

1: use your engine harness and a subharness to add VTEC, knock and IAB to the ecu

2: you can use the GSR engine harness but you'll still have to wire VTEC, knock and IABs to the ecu through the shock tower harness