The Autotrac II fluid is ONLY for 1500/2500 trucks/SUVs with Autotrac (auto 4x4). The 2500HD and up DO NOT have Autotrac as an option. As MP said, Dexron III (or IV or V) is what you need.
The Autotrac II fluid is ONLY for 1500/2500 trucks/SUVs with Autotrac (auto 4x4). The 2500HD and up DO NOT have Autotrac as an option. As MP said, Dexron III (or IV or V) is what you need.