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SOTF Switches for GM Duramax (2006-2021)

Sku: AC-DSP5-LB7
Vehicle Fitment:
Regular price
$44.00 USD
Regular price
Sale price
$44.00 USD
Shipping calculated at checkout.
Application: GM Duramax LB7 (2001-2004)
Only 105 items in stock! Out of stock!


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Within the device vehicle info section, look for the value with the text containing "14C204":

Once you receive the device, please contact us with your serial number, VIN, and ECU strategy so we can create the custom tunes and send it to you for tuning your vehicle.



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Vendor: Tuner Depot


For off-road use only

SOTF Switches for GM Duramax (2006-2021): Boost Your Truck's Performance

Unleash the untapped potential of your GM Duramax with our high-quality DSP5 switches. Designed for seamless integration with our DSP5 tuning, our switches offer instantaneous tune changes without the need for a complete reflash. Opt for superior tunability and performance with these add-ons.

Your Options:

Here's what we offer for different Duramax models:

  • 🔧 GM Duramax LB7 (2001-2004) DSP5 SOTF Switch: Quick tune shifting with Blue Wire connection at pin 69 and Black Wire at pin 49.
  • 🔧 GM Duramax LLY (2004.5-2005) DSP5 SOTF Switch: Purple Wire connects to Grey connector at pin 32, and Black Wire to pin 50.
  • 🔧 GM Duramax LBZ/LMM (2006-2010) DSP5 SOTF Switch: Grey Wire connects to Connector 1 at pin 46 and Black Wire to pin 54.
  • 🔧 GM Duramax LML (2011-2016) DSP5 SOTF Switch: Yellow Wire connects to pin 11 and Black Wire to pin 35.

Switch Highlights:

By integrating the DSP5 switch with your EFI Live tuned Duramax:

  • > Enjoy on-the-fly tune changes without the hassle of reflashing through the OBD2 port.
  • > Comes with all essentials like Selector switch with high temperature rated wire, Black aluminum knurled knob, 1-5 decal, and more.

Detailed Installation:

Your DSP5 Switch comes with specific pin setups for different Duramax models. Ensure you follow the correct wire-to-pin configuration for your specific truck model, as provided in the "Your Options" section above.

Note: It's imperative to select the right product for your vehicle's model and year to ensure impeccable integration and unmatched performance.

Pin Location Overview for GM Duramax DSP5 SOTF Switch:

Duramax Model Switch Wire Connector Pin Location
GM Duramax LB7 (2001-2004) Blue Wire Pin 69
Black Wire Pin 49
GM Duramax LLY (2004.5-2005) Purple Wire Pin 32
Black Wire Pin 50
GM DuramaxLBZ/LMM (2006-2010) Grey Wire Pin 46
Black Wire Pin 54
GM Duramax LML (2011-2016) Yellow Wire Pin 11
Black Wire Pin 35
⚠️ Looking to explore more tuning options? Check out our complete range here. ⚠️


All our SOTF switches are final sale items. Please confirm your model and requirements before purchasing to ensure compatibility and satisfaction.

Ensure to review our Terms & Conditions, and Shipping Policy provided below.


  • Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
  • Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
  • Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Please note that, unless specified differently on the product page, our parts do not include installation instructions. Our components are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
  • Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
  • No Liability: Tuner Depot is not responsible for any damage or issues that may arise from the use of these parts.
  • Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
  • No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.

Shipping Policy

At Tuner Depot, we understand the importance of timely delivery when it comes to your performance parts. We are committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.

Our Shipping Policy: Our aim is to dispatch all orders within two business days, providing you with a quick and efficient processing time. However, please bear in mind that unforeseen circumstances beyond our control may occasionally impact shipping times.

Factors Affecting Shipping:

Weather Conditions: While we pride ourselves on our fast and efficient order processing, adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We assure you that we will make every effort to overcome such challenges and minimize any delays.

Holiday Periods: Even our dedicated team needs a well-deserved break during holidays. Please note that our shipping center will be closed on such occasions. Rest assured, we will resume shipping promptly on the next business day. During peak holiday seasons, please allow for potential delays, but be assured that we will keep you informed every step of the way and work diligently to deliver your order as swiftly as possible.

Staff Availability: While we have an exceptional team, we recognize that unforeseen circumstances can occasionally affect our staffing levels. In such cases, we may experience minor delays. However, we want to assure you that we are committed to swiftly resolving any staffing issues and maintaining our high standards of service.

We genuinely appreciate your understanding and patience during any unexpected obstacles we may encounter along the way. Be assured that we will utilize every resource available to deliver your performance parts to you promptly.

Thank you for choosing Tuner Depot, where our passion fuels our commitment to outstanding customer service.

Happy tuning!