Semi Terminated Stand-Alone Harness For iC-7 Display Dash (HT-060300)

$235.00
Terminated Harness
Terminated Harness

Engine side ready

Component Only
Component Only

No ECU included

Nexus IO16 + IO16 Universal Wire in harness 2.6M (8.5') (HT-196200)

$698.00
Universal Wire-In
Universal Wire-In

Full custom wiring

Complete Kit
Complete Kit

ECU plus harness

CAN Connected
CAN Connected

Single cable install

Nexus Rebel JZ Main Terminated Harness (HT-186400)

$950.00
Terminated Harness
Terminated Harness

Engine side ready

Component Only
Component Only

No ECU included

Load video:

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Schedule Tuning

i6 R35 COP Ignition Harness (HT-186063)

$145.00
Ignition Coil
Ignition Coil

Ignition output

Component Only
Component Only

No ECU included

Haltech Nexus S3 ECU & Toyota Aristo 2JZ-GTE VVT-i 1998-2004 Plug 'n' Play Adapter Harness Kit (HT-651015)

$3,225.00
Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Nexus R3 VCU | GM GEN III LS1 & LS6 non DBW Terminated Harness Kit

$3,874.00
VCU
VCU

ECU plus PDM

Terminated Harness
Terminated Harness

Engine side ready

Complete Kit
Complete Kit

ECU plus harness

Haltech Universal V8 Terminated Engine Harness for Nexus R5 VCU (HT-186200)

$935.00
Terminated Harness
Terminated Harness

Engine side ready

Component Only
Component Only

No ECU included

NEXUS R5 Basic Universal Wire-In Harness - 5M (HT-185201)

$755.00
Universal Wire-In
Universal Wire-In

Full custom wiring

Component Only
Component Only

No ECU included

Basic Harness
Basic Harness

Core outputs only

IO 12 Expander Flying Lead Harness (HT-049902)

$125.00

IO 12 Expander - 12 Channel with Flying Lead Harness Kit (CAN ID - Box B) (HT-059905)

$535.00
CAN Connected
CAN Connected

Single cable install

Harness
Harness

In the box

Haltech Nexus S3 ECU & Hyundai Genesis 2.0T 2010-2014 Plug 'n' Play Adapter Harness Kit (HT-651424)

$3,710.00

Haltech Nexus S3 ECU & Infiniti G35 | Nissan Maxima & more 2003-2007 Plug 'n' Play Adapter Harness Kit (HT-651413)

$3,105.00

Haltech Nexus S2 ECU & Hyundai Genesis 2.0T 2010-2014 Plug 'n' Play Adapter Harness Kit (HT-651421)

$3,275.00

Haltech Nexus S2 ECU & Nissan 240SX 1995-1998 Plug 'n' Play Adapter Harness Kit (HT-651201)

$2,670.00

Haltech Nexus S2 ECU & Toyota Celica GT-S 2000-2002 Plug 'n' Play Adapter Harness Kit (HT-651001)

$2,790.00
Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Haltech Nexus S2 ECU & Honda Civic 2012-2015 Plug 'n' Play Adapter Harness Kit (HT-651456)

$3,030.00

Haltech Nexus R5 VCU + LSx DBW Terminated Harness (HT-195405)

$5,965.00
VCU
VCU

ECU plus PDM

Terminated Harness
Terminated Harness

Engine side ready

Complete Kit
Complete Kit

ECU plus harness

Haltech Nexus R5 VCU & Dodge Viper 1996-2002 Plug 'n' Play Adapter Harness Kit (HT-651476)

$6,240.00
VCU
VCU

ECU plus PDM

Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Haltech Nexus R5 LSx DBW Terminated Harness - DBW ready Injector Connector: EV6 (HT-186205)

$1,550.00
Terminated Harness
Terminated Harness

Engine side ready

Component Only
Component Only

No ECU included

Haltech Nexus R3 VCU & Toyota Tacoma 5VZ-FE | Toyota 4Runner 5VZ-FE 2001-2004 Plug 'n' Play Adapter Harness Kit (HT-651004)

$3,425.00
VCU
VCU

ECU plus PDM

Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Haltech Nexus R3 VCU & Toyota Tacoma 2RZ-FE | Toyota Tacoma 3RZ-FE & more 1997-2000 Plug 'n' Play Adapter Harness Kit (HT-650981)

$3,425.00
VCU
VCU

ECU plus PDM

Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Haltech Nexus R3 VCU & Mitsubishi 3000GT VR4 1991-1993 Plug 'n' Play Adapter Harness Kit (HT-651258)

$3,425.00
VCU
VCU

ECU plus PDM

Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Save 12%

Ford Coyote Gen 1 / Gen 2 Swap Haltech Nexus R3 Engine Harness Kit M/T

Sale price$1,750.00Regular price $1,999.00
Terminated Harness
Terminated Harness

Engine side ready

Component Only
Component Only

No ECU included

Elite 750 + Mazda Miata (MX-5) NB Plug'n'Play Adaptor Harness Kit (HT-150621)

$1,710.00
ECU
ECU

Engine management

Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Elite 2500 Subaru Liberty/Legacy Gen 4 3.0R and GT Plug 'n' Play Adaptor Harness (HT-141356)

$495.00
Plug-In Fitment
Plug-In Fitment

No wiring needed

Component Only
Component Only

No ECU included

Elite 1500 + Polaris Slingshot (2015-2016) Plug 'n' Play Adaptor Harness Kit

$3,159.00
Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Elite 2000/2500 Nissan Patrol Y60 (TB42) Plug 'n' Play Adaptor Harness Kit (HT-141280)

$495.00
Plug-In Fitment
Plug-In Fitment

No wiring needed

Component Only
Component Only

No ECU included

Elite 1000/1500 Mitsubishi Galant VR4 and Eclipse 1G Plug 'n' Play Adaptor Harness (HT-140831)

$495.00
Plug-In Fitment
Plug-In Fitment

No wiring needed

Component Only
Component Only

No ECU included

Elite 1500 + Mazda 13B S6-8 CAS with Flying Lead Ignition Terminated Harness Kit

$2,674.00
ECU
ECU

Engine management

Terminated Harness
Terminated Harness

Engine side ready

Complete Kit
Complete Kit

ECU plus harness

Elite 2500 + GM GEN III LS1 & LS6 (DBW Retrofit Ready) Terminated Harness Kit (HT-151362)

$2,629.00
ECU
ECU

Engine management

Terminated Harness
Terminated Harness

Engine side ready

Complete Kit
Complete Kit

ECU plus harness

Elite 2500 + Ford Coyote 5.0 Late Cam Solenoid Terminated Harness Kit

$3,367.00
ECU
ECU

Engine management

Terminated Harness
Terminated Harness

Engine side ready

Complete Kit
Complete Kit

ECU plus harness

Elite 2500 + Terminated Harness Kit For Ford Falcon FG Barra 4.0L I6

$3,239.00
ECU
ECU

Engine management

Terminated Harness
Terminated Harness

Engine side ready

Complete Kit
Complete Kit

ECU plus harness

Elite 2500 + Toyota Chaser JZX100 (1JZ-GTE) Plug 'n' Play Adaptor Harness Kit (HT-151354)

$2,490.00
ECU
ECU

Engine management

Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Elite 2500 + Subaru WRX MY06-07 Plug 'n' Play Adaptor Harness Kit (HT-151320)

$2,490.00
ECU
ECU

Engine management

Plug-In Fitment
Plug-In Fitment

No wiring needed

Complete Kit
Complete Kit

ECU plus harness

Remote tuning, done live with Shawn

Book your session

Free consult

30 minutes to scope your build and setup.

First start

Live session to get the engine running safely.

Dial it in

1 or 3 hour tuning blocks on your schedule.

Every wiring harness we sell, from complete plug 'n' play kits to single sub-harnesses. Haltech plug 'n' play adaptor harness kits and Nexus VCU and ECU kits connect to factory wiring, Haltech and Boomslang harnesses cover Nexus and Elite installs, and Rywire builds engine harnesses for swaps.

You'll also find universal wire-in harnesses, terminated engine harnesses, ignition and injector sub-harnesses, wideband adaptor harnesses, PD16 flying lead harnesses and harness sleeving.

Use the vehicle filters to narrow it down, or see Haltech wiring harnesses and wiring services.