I have a 94 prelude s, and i just bought a jdm h22 and i was woundering if the wiring harness will work and how do i run the vtec wires to the ECU?

 

All 93+ USDM Preludes came wired for VTEC....

The connector in the lower left corner I have circled is the 1P connector with a grn/ylw wire that you must extend to the 1P connector on the VTEC Solenoid.... The large connector next to the fuse box that is circled is where you get the oil pressure switch wire from. It is a light blue wire that comes in a bundle from the firewall to that connector, but it does not come out of the other side from the connector that is connected to it, you can either add a wire to the connector that plugs into or just cut the wire and run it to the 2P connector on the VTEC Solenoid for the oil pressure switch. Then you must run a ground wire from the 2P connector to a suitable ground....


This is what mine looked like when I was done, I'm a neat freak... lol...

 

Can you send better pictures? And maybe also identify the connectors on the solenoid? Thanks.