H-M04-00 HP Tuners 6 Position Rotary On The Fly Switch.
For 2017, 2018, 2019, 2020, 2021, 2022 GM 6.6L Duramax L5P
Diesel Switch by HP Tuners lets you power up from a stock calibration to one of five custom maps with the turn of a switch. Pair with HP Tuners Switch on the Fly OS for complete control and performance.
Diesel Switch features:
5’ OBDII pass-through cable
Knurled aluminum switch knob and position dial
Six-position rotary switch
There are many possible mounting solutions for the Diesel Switch in your truck’s cabin. HP Tuners offers two OBDII port brackets as an option to conveniently install your Diesel Switch. Download files here to 3D print brackets for easy integration.