Primary Air Supply - Non Calif.

1. Start and operate engine at idle speed until normal operating temperature is obtained.
2. Disconnect electrical connector from water thermo switch.
3. Connect a suitable jumper wire onto electrical connector terminals.
4. Disconnect air hose from air cleaner.
5. Place a finger over air hose inlet port
6. Increase engine speed to 1200 RPM or more and ensure air is sucked into hose.