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2000 GMC 1500 4x4 (4x4 light on )
Posted to Transmission Forum on 3/5/2007 3 Replies

This as an off and on problem. You turn the key on and it goes though its test cycle, and then sometimes it works right and others not. Have checked all grounds and replaced the ones that were bad as in green in color. Traced all wires. This has the electric 4... Login to read more.

3 Replies Received (View Replies)