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The Haltech Elite 2500 Non-DBW Terminated Harness Kit is engineered for GM GEN IV LSx engines (such as LS2 and LS3) with cable-operated throttle systems. Built for performance and race environments, this kit offers a simple and reliable plug-and-play harness solution combined with the power and tuning flexibility of Haltech’s Elite 2500 ECU and NSP software.
Designed for manual transmission setups, it delivers full control over your engine’s operation—ideal for high-performance builds, swaps, and custom applications not requiring drive-by-wire integration.
Note: For competition/off-road use only (NOT CARB LEGAL). LS2 ignition coils and harnesses not included.
Engine Compatibility: Suits GM GEN IV LSx platforms (e.g., LS2, LS3) with mechanical throttle
Simplified Installation: Pre-terminated harness with labeled connectors, fuse block, and firewall grommet
Manual Transmission Only: Not suitable for automatic transmission vehicles
ECU Features:
Flex fuel tuning with direct ethanol sensor input
Closed-loop dual-bank O2 control
Drive-by-wire support (for future upgrades)
Dual knock sensor support and per-cylinder tuning
High-speed data logging, CAN expansion, and variable camshaft control
Anti-lag, rolling launch, traction control, flat shift, launch control, trans brake
Boost control: 4D closed-loop logic with user-definable parameters
Up to 6-stage nitrous control with 3D tuning maps
Advanced torque management (optional upgrade)
Fully customizable tuning with up to 32x32x8 table resolution and per-cylinder trims
Haltech Elite 2500 ECU with DBW and advanced race functions
Terminated engine harness with fuse block and firewall grommet
USB programming cable
Notes:
Compatible with standard US-style Delco/Bosch alternator plug
Check alternator connector before purchase; alternator adapter may be required (HT-040090 or HT-040091)
LS2 ignition coils and harnesses not included (recommend 8 × HT-020102)
GM GEN IV LSx Engines (LS2, LS3, and variants)
Designed for cable throttle applications (non-DBW)
Manual transmission only
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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