01-02 Duramax Highidle Lb7 / Valet Switch - 1110018

This product allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even having the A/C or heater working at its optimal capacity. There is a "Valet" setting as well, which governs the engine so that it reaches a maximum of 2,000 rpm, top speed of 55 mph. Features: ▪ Includes dash panel insert and harness