Main relay (Mazda BT-50 (1))

1. Disconnect the cable from the negative terminal of the battery.

2. Remove the main relay.

3. Using an ohmmeter, check the conductivity of the relay.

a) Make sure there is continuity between terminals "A" and "B" and there is no continuity between terminals "C" and "D".



b) Apply battery voltage to terminal "A" and ground to "B" and check the conductivity between terminals "C" and "O".

(The original article is posted on: «MAZBOOK»)

If the above conditions are not met, replace the relay.