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Haltech Nexus S2 ECUs with Plug-and-Play Harness
Not Yet Reviewed
If you are using a factory harness and are after an easy ECU upgrade, Haltech Nexus S2 ECUs with a plug-and-play adapter harness are excellent choices. They plug directly into the ECU and have a set of factory connectors on the other side which plug straight into the factory har
If you are using a factory harness and are after an easy ECU upgrade, Haltech Nexus S2 ECUs with a plug-and-play adapter harness are excellent choices. They plug directly into the ECU and have a set of factory connectors on the other side which plug straight into the factory harness, allowing you to be up and running in just a few hours. The included quick-start guide will walk you through installation of the adapter harness into your vehicle. Select the Haltech S2 ECU and harness kit designed for your vehicle.
Kits include:
* Nexus S2 ECU
* Injection molded plastic plug-and-play adaptor harness
* M14 x 1.5 air temp sensor with matching plug and pins
* Auxiliary I/O 16-pin Tyco plug and pins
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for Nissan, S13, Kit
Part Number: HTH-HT-212315
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, Mazda RX-7, FD S6, Kit
Part Number: HTH-HT-212307
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for use on Honda® EP3, Kit
Part Number: HTH-HT-212302
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for use on Honda® DC5, Kit
Part Number: HTH-HT-212301
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, DSM 2G, EVO 4-8, Kit
Part Number: HTH-HT-212308
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for use on Honda® AP1/AP2, Kit
Part Number: HTH-HT-212314
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, Mazda Miata, NA, Kit
Part Number: HTH-HT-212316
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, Audi, VW, 1.8T AWP, Kit
Part Number: HTH-HT-212325
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, Mazda Miata, NB, Kit
Part Number: HTH-HT-212303
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for use on Honda® B-Series OBD-I, Kit
Part Number: HTH-HT-212300
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for Nissan, S14, Kit
Part Number: HTH-HT-212304
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, Mazda RX-7, FD S7/8, Kit
Part Number: HTH-HT-212306
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, Subaru WRX, Kit
Part Number: HTH-HT-212305
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for Nissan, S15, Kit
Part Number: HTH-HT-212317
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
