Ignitions and Electrical› Computers, Chips, Modules and Programmers

EFILive

DSP5 Switch for LB7 Duramax

$42.99

SKU: FTDSP5LB7

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The EFI Live DSP5 Switch is a computer, chip, or module designed for LB7 Duramax trucks from 2001-2004. It allows you to change between compatible EFI Live tune positions on the fly, without needing to stop and reflash the truck.

This switch is a straightforward upgrade for LB7 Duramax owners seeking in-cab access to multiple tune levels. It provides greater usability to the tuning experience, enabling easier transitions between different operating strategies based on driving needs.
Show original supplier description
The EFI Live DSP5 Switch is a specific application component designed to provide LB7 Duramax truck owners with dynamic control over their engine's performance. This device enables seamless switching between five custom EFI Live tune positions while the truck is running, eliminating the need to stop and reflash the ECU. This capability allows drivers to optimize their truck for various scenarios, from daily driving and fuel efficiency to towing or performance applications. Engineered exclusively for LB7 Duramax models manufactured between 2001 and 2004, this switch guarantees perfect fit and function within its designated application. It is crucial to note that this product is not intended for LLY, LBZ, LMM, or LML Duramax engines and should not be treated as a universal solution. Proper operation hinges on a correct setup, including the right tune file, accurate ECM pin location, and the specific DSP5-capable calibration. Installation of this DSP5 switch is often considered a DIY task, utilizing blue/black wires. However, precise wiring, correct ECM pin placement, and a tune file configured for DSP5 switching are essential for functionality. Buyers are strongly advised to verify the correct pins with their tuner before installation. The switch's effectiveness is directly tied to compatibility with EFI Live DSP5 tuning; therefore, confirming that the truck's calibration supports DSP5 switching is a critical step before purchase.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandEFILive
Part NumberFTDSP5LB7
CategoryIgnitions and Electrical

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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