Vacuum Circuit

Fig. 6 Check Connector Location:

1. Remove lower dash trim panel.
2. Disconnect electrical connector from normal connector and connect to check connector of amplifier Fig. 6.
3. Set temperature control lever to 77.
4. Run engine and check for movement of power servo stem. Stem should not move. If stem moves, check vacuum system for leaks.
5. Reinstall lower dash trim panel.