Sierra 2500 2WD V8-6.0L VIN U (2004)
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1. Install the TAC module.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the TAC module nuts.
Tighten
Tighten the nuts to 9 N.m (80 lb in).
3. Connect the engine wiring harness electrical connector (1).
4. Install the red CPA retainer.
5. Connect the I/P harness electrical connector (2).