This is the switch you need on your EFI Live equipped truck to swtich between the 5 different power levels!
The LLY - LBZ - LMM DSP5 Switch offers a five-position selector designed specifically for 2004.5 to 2010 Duramax engines. This switch allows expert users to seamlessly toggle between different performance tunes, optimizing engine output for varying driving conditions. Its precise design ensures reliable switching without compromising electronic systems, providing enhanced control over your Duramax’s tuning capabilities.
