Take the relay that was included with your AC lines and connect the wires as follows:

96-98 Civic Chassis: Relay PIN 85 to 12v in the run position. Relay PIN 87 to Ground. Relay PIN 30 to connector C131 pin 19 a BLK/RED wire. Relay PIN 86 to connector C131 pin 7 a BLU/RED wire.

99-00 Civic chassis Red wire PIN 85 12v in the run position Blue wire PIN 87 Ground Yellow wire PIN 30 ACC A17 BLK/RED on the stock ECU Green wire PIN 86 ACS A27 BLU/RED on the stock ECU