In a message dated 8/4/99 9:19:55 AM Eastern Daylight Time, ober_b at hotmail.com writes: << For the sake of swappability, (i.e. not re-wiring) is there simple software 'fix' to invert the a/c enable? This contact is C2 on both ecm's. Thanks. -Brent >> Sure..rewire the relay :-) Jim