*Ships in 1-5 Business Days.
Vehicle Applications: Universal capable, 88-91 Civic/CRX, 92-95 Civic/92-97 Delsol (EG), 90-93 Integra (DA), 94-01 Integra (DC), 02-04 RSX (DC5)
Version 2 of the Rywire K-series Milspec Engine Harness was created to facilitate a more universal chassis, and harness routing preference. This style can be routed more like the OEM k-series engine harness through the center or more to the right on the firewall than it's Version 1 counterpart. This routing method is ideal for our (RHD) Right Hand Drive customers however NOT exclusive to RHD chassis and does work fine on a LHD chassis. Version 2 is also routed in a way which allows you to get around aggressive exhaust manifolds.
This harness offers Mil-Spec Teflon coated wire. Standard wall ethylene-tetrafluoroehtylene (ETFE) insulation ( also known as Tefzel ) designed for aerospace applications where weight, dimensional tolerance, and mechanical durability are required. This wire exhibits high chemical and radiation resistance. using standard factory wire colors with a maximum heat rating of 200°C . The Teflon coated wire is loomed with The highest quality Raychem DR-25 heat shrink covering, and adhesive lined wire junctions to keep moisture out. Each connector is crimped with pneumatic heads to ensure an OEM crimp every time, then tagged with a yellow identification label for easy installation. All heavy interference circuits are protected and grounded with proper wire covering.
Rywire Mil-Spec harnesses are 100% quality tested pin to pin, and resistance checked to ensure no voltage fluctuations. These are the best harnesses money can buy. NO CORE is necessary when buying this harness!
This harness follows an OEM style configuration meaning that you'll still need a interior ECU adapter for your chassis.
Rywire also offers a Firewall mounted Mil-Spec connector that will allow easy engine removal for quick engine changes and customization. It can be added along with the Mil-spec Firewall Plate for a show-quality setup.
These harnesses are warrantied and guaranteed to work, we provide excellent installation phone support and troubleshooting to ensure this reputation for quality, however they are non-refundable.
Will fit right hand drive (RHD) and left hand drive (LHD) vehicles.
Need a Rywire K-series chassis adapter harness to complete your wire job? CLICK HERE.
Harness Connector List
- VTEC solenoid
- VTC Oil pressure sending unit
- Crank Sensor (CKP) (02-04 K20 style)
- Coils 1-4
- Cam (CPS) (Exhaust Side)
- Top Dead Center sensor (TDC) (Intake Side)
- Engine Coolant Temp (ECT)(02-04 K20 style)
- Knock Sensor (KS)(02-04 K20 style)
- Intake Air Temperature (IAT)
- Alternator Manifold Air Pressure (MAP)
- Throttle Position Sensor (TPS)
- Idle control motor
- Electronic speed sensor (VSS)
- Injectors 1-4
- H20 sending unit (for gauge cluster)
- Reverse Lights
- Reverse Lockout solenoid
- Starter signal
- ECU plugs A and B
- Power distribution cap
- 2 Extra Wires
Vehicle Speed Sensor (VSS) Location (no addt'l fee)
Make sure you're aware of which VSS style your transmission has before ordering this harness:
02-04 RSX/02-05 Civic Si (rear mounted style / low frequency)
05-06 RSX/06-11 Civic Si/All K24A (front mounted style / high frequency)
Fuel Injector Connector Type (no addt'l fee)
We offer this Mil-Spec harness by default with factory RSX style injector plugs (NH1/Honda OBD2). However, optional injector plugs types are available for the following:
Acura RDX | Nippon/Denso/2000cc ID | Delphi | Bosch EV1/EV6/EV14
Quick Disconnect Connector Plate (addt'l fee)
Quick disconnect plate - available HERE
Charge Harness (available separately)
If you don't have your own charge harness, one can be included with the Mil-Spec harness. The charge harness supplies power to the starter and alternator which is generally its own separate harness in a non-tucked harness scenario.
Ground Wire Kit (available separately)
Don't have your own ground wires - Rywire has got your back!