Originally Posted by hybrid2kC

whats up man?
hey i have a 00 civic also, when i made my engine swap to a b18c1 i used my stock wiring harness i got a chipped p28 ecu hooked up to a pig tail on my obd2 harness, when i hooked up my VAFC2 i actually tapped into my stock harness, everything works fine.
not that you might not know this already... but..... remember, the pig tail is just rerouting your signals wires to another ecu.

i hope this is a good answer you can use.

peace