DR-19B Checking Charging System Field Circuit
1. With engine operating, connect a voltmeter between logic module blue electrical connector terminal No. 2 and ground.
2. Connect a jumper wire to terminal No. 5 of logic module red electrical connector.
3. Momentarily contact other end of jumper wire connected to logic module red electrical connector to logic module stud and note voltmeter reading.
4. If voltmeter indicates an increase in voltage reading, replace logic module.
CAUTION: Before replacing the logic module make sure the terminal in cavity No. 5 is not crushed so that it cannot touch the logic module pin.
5. If voltmeter does not indicate an increase in voltage reading, proceed to Test 19 step C.