DSP5 SOTF Switch for EFI Live Tuning 2001–2004 LB7 6.6L Duramax | SPELAB

Description

Unlock the full potential of your 2001–2004 LB7 Duramax with our high-performance SOTF Switch. Designed for seamless integration with EFI Live's DSP5 tuning system, this switch allows drivers to toggle between five custom-tuned programs in real time—without needing to reflash through the OBD2 port. Crafted with premium materials like a knurled aluminum knob and high-temperature wiring, this switch is built to endure the heat and demands of your engine bay while offering smooth and reliable tuning transitions from the comfort of your cab.

Key Features

• Real-Time Tuning Control: Instantly switch between up to five EFI Live tunes on the fly—no need to reprogram through OBD2.
• Premium Build Quality: Aluminum knurled knob for durability and grip, with heat-resistant wires and split loom protection.
• Straightforward Installation: Designed for DIY or professional install with included wiring guide and color-coded leads.
• High Compatibility: Specifically designed for 2001–2004 LB7 Duramax engines and fully compatible with EFI Live DSP5 tunes.
• Driver-Centric Design: Mounts conveniently inside the cabin—in dashboards, switch panels, or center consoles.
• NOTE: Your vehicle must be preloaded with an EFI Live DSP5 tune that supports multiple maps.

Specifications

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax
• 2001–2004 GMC Sierra 2500HD / 3500HD 6.6L Duramax

Q: Do I need custom tuning to use this switch?
A: Yes. Your vehicle must be preloaded with an EFI Live DSP5 tune that supports multiple maps.

Q: Can I install this switch myself?
A: Yes, if you're familiar with vehicle electronics. We provide detailed wiring instructions, but professional installation is recommended for beginners.

Q: Where should I mount the switch?
A: It can be mounted in the cabin—commonly on the dashboard, switch panel, or center console.

Q: Does this switch require any software?
A: No additional software is needed, but a DSP5 tune must already be installed via EFI Live.

Q: Will this work on a 2005 Duramax?
A: No, it is specifically designed for 2001–2004 LB7 Duramax engines.

Q: How many tune positions can I switch between?
A: Up to five custom tune positions can be accessed.

Q: What happens if the switch fails?
A: If the switch malfunctions, the ECM may default to one tune or be unable to switch—replacement is recommended.

Q: Does the kit include a mounting bracket?
A: No. The kit does not include a bracket; a small hole may need to be drilled for mounting.

Q: Is this switch legal for street use?
A: This product is intended for off-road use only. Please check your local emissions and modification laws.

Q: Are the wires pre-labeled for installation?
A: Yes. The blue and black wires are color-coded for easy identification during install.