Power Transistor
- Ensure ignition is off. Remove coil wire from distributor cap. Attach Spark Tester (J-26792
), or, using insulated pliers, hold distributor terminal end of coil wire about 1/4" (5 mm) from metal surface.
- Disconnect and remove power transistor from under intake manifold. This involves removing right front wheel and rubber inner fender panel cover to access power transistor.
- Connect jumper wire between harness connector and power transistor connector Blue wire terminal. Connect negative end of 1.5-volt "D" battery to power transistor Green wire terminal. See Fig 1
. Connect positive end of 1.5-volt "D" battery to harness connector Yellow wire terminal. Ground power transistor.
- Turn ignition on with engine off. Disconnect and connect jumper lead at power transistor connector several times. Verify spark is jumping across air gap at spark tester. If spark does not occur, check wiring for continuity or shorts. If wiring is okay, replace power transistor.
Courtesy of ISUZU MOTOR CO.