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Home >> GMC Truck >> 1987 >> R 3500 P/U 2WD L6-292 4.8L >> Repair and Diagnosis >> Cruise Control >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Tap-Up or Tap-Down Inoperative

Tap-Up or Tap-Down Inoperative


If all other system functions operate correctly, replace cruise controller (module).



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