Early Models

Idle Speed Regulator:

1. Disconnect Idle Speed Regulator (ISR) electrical connector.
2. Remove air inlet hose.
3. Disconnect ISR outlet hose at the ISR.
4. Remove ISR clamp bolt and then the ISR.
5. Install the ISR with the arrow (cast on the ports) pointing towards the throttle body adapter.
6. Install and tighten the ISR clamp bolt.
7. Connect the air inlet hose and outlet hoses to the ISR.
8. Connect the ISR electrical connector to the wiring harness.