Servo Vacuum Test

Fig. 72 Servo Harness Connector:

1. Remove speed control cable at throttle body end, then disconnect four way electrical connector and vacuum harness at the servo.
2. Connect battery voltage to pin No. 2 of servo, then ground remaining three pins.
3. Connect a hand held vacuum pump to servo, then apply 15 inches of vacuum. Cable should pull in and stay as long as vacuum is applied.