GDP EFI/EZ Lynk Switch w/ High Idle (2004.5-2005) - Chevy LLY

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The GDP GDP410014 DSP5 Switch With High Idle for your 2004.5-2005 GM 6.6L Duramax LLY works in conjunction with the GDP EFILive and EZ Lynk Tuning. With the DSP5 switch, you can change your tuning "on-the-fly", and the High Idle function allows you to increase your idle with just the turn of a knob. Tuning not included, you must have DSP5 Tuning for use with this switch


  • 6-Position Switch
  • For Use With DSP5 Tuning
  • Works With Or Without Tuning For High Idle
  • Adjust High-Idle Through Cruise Control Switch