Haltech Nexus S2/S3 Plug N Play Adapter Harness | 2002-2005 Honda Civic EP3 & 2002-2004 Acura RSX DC5

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.