ISB/ISBe Series Engines – 019-063   Internal Actuator Wiring Harness

Disconnect the Deutsch 4-pin connector on the engine harness from the pass-through connector.

Remove the rocker cover.

Refer to Procedure 003-011 in the Troubleshooting and Repair Manual, ISB (4 cylinder) and ISB

^e (4 and 6 cylinder) Series Engines, Bulletin

4021271.

Remove the pigtail capscrews from all solenoids.

Remove the rocker housing.

Refer to Procedure 003-013 in the Troubleshooting and Repair Manual, ISB (4 cylinder) and ISB

^e (4 and 6 cylinder) Series Engines, Bulletin

4021271.

Remove the internal injector harness from the plastic clips.

Remove the pass-through connector from the rocker housing.

Inspect for damaged or exposed wires, bent or broken pins, or damaged connectors.

Repair or replace if necessary.

Install new plastic clips into rocker housing.

Install the pass-through connector into rocker housing.

Install the internal injector harness into the rocker housing and attach with clips.

NOTE: Leave enough wire length to reach injectors.

Install the rocker housing. Refer to Procedure 003-013 in the Troubleshooting and Repair Manual, ISB (4 cylinder) and ISB

^e (4 and 6 cylinder)
Series Engine, Bulletin

4021271.

NOTE: Verify that the internal injector harness does

not rest on any sharp corners.

NOTE: Verify that the pigtail wires are

not “crossed over”
to the wrong injectors.

Install pigtail nuts on injectors.

Install the rocker lever cover. Refer to Procedure 003-011 in the Troubleshooting and Repair Manual, ISB (4 cylinder) and ISB

^e (4 and 6 cylinder)
Series Engines, Bulletin

4021271.

Connect the engine harness to the pass-through connector.