Haltech's Nexus S3 is the successor to the acclaimed Elite 2500, offering a serious upgrade in performance and functionality. The S3 combines all the classic functionality of the Elite 2500 with new features and the superior processing power of the successful Nexus platform.

• 8 x peak/hold injector drivers (can be used as low side drive outputs)
• 8 x low current ignition outputs (can be used as low side drive outputs)
• 6 x low side drive outputs, PWM capable (DPOs)
• 4 x push-pull / half bridge outputs (8A, PWM capable), eg for electronic throttle
• 1 x ECR output
• 11 x 0-5V analog inputs with redundancy for electronic throttle and switchable 5V pullup
• Trigger and home inputs with differential inputs, adjustable thresholds and glitch filters
• 6 x synchronous pulsed inputs, zero crossing or adjustable thresholds - cam sensor inputs, frequency inputs or 0-5V analog inputs
• 1 x on-board wideband controller, supporting NTK and LSU4.9
• 1 x on-board 4 bar MAP sensor
• 2 x CAN ports with switchable termination

If you are using a factory harness and are after an easy ECU upgrade, take a look at Haltech Plug 'n' Play Adapter Kits. These adapters plug directly into your Haltech ECU and have a set of factory connectors on the other side which plug straight into the factory harness.

• A simple Haltech Plug 'n' Play product that allows you to be up and running in just a few hours.
• The quick start guide will walk you through installation of the Haltech Plug 'n' Play adapter into your vehicle.