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Home >> GMC >> 1991 >> V 3500 P/U 4WD V8-379 6.2L DSL >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Instrument Panel >> Speedometer Module >> Service and Repair
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Speedometer Module: Service and Repair




DIGITAL RATIO ADAPTOR CONTROLLER (DRAC OR BUFFER) REPLACEMENT

NOTICE: Before replacing the DRAC module, the technician must be properly grounded to prevent static shock. A grounding strap should be worn by the technician by placing the cuff around the wrist, then attaching the ground wire clip to a known good chassis ground.

The DRAC Module is located below LH side of I/P, on Parking Brake Support.:






Remove
1. Harness connector (2) and cruise control lead (3).
2. DRAC module from bracket.

Install
1. DRAC onto bracket.
2. Harness connector (2) and cruise control lead (3).
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