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The HP Tuners six-position diesel rotary switch for GM E41‑L5P vehicles provides selectable control with a knurled aluminum switch knob and position dial. The accessory includes a five‑foot OBDII pass-through cable and is supplied as a six‑position rotary control intended for the specified GM diesel platform, consolidating multiple settings behind a single, panel-mounted selector.
HPT 6-Position Diesel Switch
