1991 Chevy 1500 Instrument Cluster Wiring Diagram. I just plugged the tach cluster in. These are or should be related to the instrument cluster.
Chevrolet truck headlight wiring diagram. Please let me know if this helps. My How To video gives you great information on repairing this yours.
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Please let me know if this helps. All gauges work fine except the tach which works sometimes but not exactly as it should. The 1991 wiring diagrams break out C100 into about 14 pages of circuits. Each part should be set and linked to different parts in specific manner.
