LLY Duramax with merchant auto switched high idle kit (not sponsored) High Idle Switch For Duramax
this is how you set high idle in an lly Duramax. 2013 lml. The cruise control buttons located on the left hand side of the steering wheel are used to operate the High Idle option. For more information 1. Start the truck 2. Set parking break 3. Dont touch break or accelerator pedal 4. Turn on cruise control 5. Push cruise "Set" button Thats it. Easy peasy How To Operate The High Idle Switch In 2017 Chevrolet Silverado HD Duramax Diesel Trucks ...