Sierra 1500 2WD V6-4.3L VIN X (2004)
Ignition Control Module: Service and Repair
IGNITION CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the air cleaner outlet resonator.
2. Disconnect the ignition coil driver electrical connector (3).
3. Remove ignition control module (2) screws.
4. Remove the ignition control module (2) and heat sink (3).
INSTALLATION PROCEDURE
1. Position the ignition control module (2) and heat sink (3).
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install ignition control module (2) screws.
Tighten
Tighten the screws to 3.5 N.m (31 lb in).
3. Connect the ignition coil driver electrical connector (3).
4. Install the air cleaner outlet resonator.
