Power Transistor (Diamante)
CAUTION:
Power transistor test must be performed in less than 10 seconds to prevent coil from burning and power transistor from breaking.
- Disconnect distributor connector. Using a 1.5-volt dry cell battery, connect negative end of 1.5-volt battery to terminal No. 4 of power transistor and positive end to terminal No. 3. See Figure.
- Using an analog ohmmeter, check for continuity between terminals No. 1 and 4 of power transistor. Continuity should exist. With positive end of 1.5-volt battery disconnected, there should be no continuity. Replace power transistor if it fails test.