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Home >> GMC >> 1990 >> Forward Control 6.2 J, Automatic, 475/M40 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard & Electronic >> Removal & Installation >> Instrument Cluster >> C & K Series

C & K Series

Disconnect negative battery cable. Remove radio and heater control units. Remove 4 retainer screws. Remove trim plate (A/T only). Touch hands to ground to discharge static electricity before removing instrument cluster. Disconnect 34-pin connector, being extremely careful NOT to touch circuit board pins. To install, reverse removal procedures and follow Electrostatic Discharge Warning Label.