I'm swapping a SIR2 B16a into my 95 coupe. I've used the engine harness from the sohc engine. There is a 'loose' plug (square type, 4 leads) that leads towards the exhaust manifold. On the exhaust manifold, the o2 plug leads towards the back of the block (square type, 4 leads....but the wire colors don't match.) Are these the correct connections? The engine wiring harness from a 96 integra, the engine that I once had, has the o2 connection right where the o2 for the header connection is, which is why I'm confused. TIA for the help yall!