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ECU CONNECTOR (34 PIN)
(Looking into ECU)
Elite 2500
GM Gen IV LS2 & LS3 Non-DBW
Terminated Engine Harness
Quick Start Guide
Harness Pinout
Congratulations on purchasing a Haltech Engine Management Terminated Engine
arness. This Plug and Play product allows you to be up and running in a few hours.
The Harness when installed in conjunction with a Haltech Elite 2500 opens the door to
virtually limitless performance modification and tuning of your vehicle. Programmable
systems allow you to extract all the performance from your engine by delivering precisely
the required amount of fuel and ignition timing that your engine requires for maximum
output under all operating conditions.
This quick start guide will walk you through installation of the Haltech GM LS2 & LS3
Terminated Engine Harness into a vehicle. This guide is accompanied by the full service
manual located on the USB key provided with the ECU that you or your tuner will need to
refer to before completing your installation and
Supported Engine
The Haltech GM Gen IV LS2 & LS3 Non-DBW Terminated Engine Harness supports the
following engine configurations:
• General Motors – Generation IV LS2 & LS3 engines without Drive By Wire Throttle
Control
Supported ECU
• Haltech Elite 2500
Included in Haltech ECU Kit (HT-151365)
• Haltech Elite 2500 ECU
• GM LS2 / LS3 Terminated Engine Harness with OEM EV6 Injector connectors
• CAM Sensor Connector Pack
• Deutsch Connector Pack
Optional Accessories (Sold Separately)
• Dual Channel Wideband Controller (HT059980), 2x O2 Sensors (HT010714) and
weld on bungs (HT010702)
• DTM4 CAN Cable (please specify length when ordering)
Figure 9 - 34 Pin Harness Connector Pin Allocation
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