2006-2010 Duramax Lockable DSP5 Switch (10498)

Note: Specifically for use with EFI Live DSP5 tunes on LBZ/LMM engines

Take full control of your tuning with the DSP5 keylock switch by Fish Tuning, brought to you by Merchant Automotive. Specifically designed for LBZ and LMM Duramax engines, this specialized five-position switch lets you toggle between custom EFI Live DSP5 tunes on the fly. It uniquely allows you to remove the key in positions 1, 3, and 5 to lock in your desired power level, ensuring your settings remain secure whether you're on the street or at the track.

Part Number: 10498

• On-the-fly tune adjustments
• Secure keyed locking mechanism
• Five distinct power levels
• Key removable in positions 1, 3, 5
• Rugged, long-lasting construction
• Seamless EFI Live integration

• 2 x Keys 
• All necessary wiring

• This switch is only compatible with trucks already flashed with a DSP5-specific EFI Live tune.
• Use the integrated test button on the back of the switch to verify connectivity before final dash assembly; a lit LED indicates a proper connection to the ECM.

• Ensure the locking washer tab is set to position #5 to allow the full range of 4 clicks (5 total positions).

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