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Home >> Chevrolet >> 1999 >> Blazer 4D Utility, 4WD, Automatic >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - Diagnosis - New Venture 233 (SELECTABLE 4WD) >> Symptom Tests >> No Shift Select Button Remains Lit

No Shift Select Button Remains Lit

  1. If this diagnostic was referred from another test, go to next step. If diagnostic started here, perform FUNCTION TEST  under DIAGNOSIS & TESTING, then go to next step.
  2. Check for open in Black/White wire between motor/encoder and TCCM. If circuit is open, go to next step. If circuit is not open, see RETRIEVING CODES  under DIAGNOSIS & TESTING.
  3. Ensure ignition is off. Repair open condition in Black/White wire. Restore system, then go to FUNCTION TEST  under DIAGNOSIS & TESTING.
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