Originally Posted by schmi220
'99 is obd2b. The plugs will be different.
Yeah, you're right. Civics changed over to OBD2b in 99 and Integras changed over in 2000.
Originally Posted by zerojames
so the plugs are different. In that case can I rewire it to work with the right plug?
You can buy a conversion harness that will convert your OBD2b plugs into OBD2a plugs.