Analog Voltmeter Hook-Up

Self-test connector location. Bronco II & Ranger:

SELF-TEST CONNECTOR LOCATION

Fig. 19 Clamping negative lead from voltmeter on to other end of jumper wire:

Fig. 20 Clamping positive lead from voltmeter on to battery terminal:

Fig. 21 Inserting 1 end of the second jumper wire into No. 2 pin on self-test connector:

To connect the voltmeter on to the self-test connector and proceed as follows:
1. Insert one end of jumper wire into the No. 4 pin on the self-test connector.
2. Clamp negative lead from the voltmeter on to the other end of jumper wire, Fig. 19.
3. Clamp positive lead from voltmeter on to positive battery terminal, Fig. 20.
4. Insert one end of the second jumper wire into No. 2 pin on the self-test connector, and other end into the self-test input connector, Fig. 21. The final connection also activates the ECA self-test sequence when the ignition switch is turned to the ON position.