Wiring Harness & Adapters

OBD1 Budget D & B-series Tucked Engine Harness (OBD1 Engine/ OBD1 ECU)

This D-series and B-series compatible wire-tuck engine harness is nearly identical to the Mil-spec engine harness line with the primary differences being the type of wire used, the single white wire color and expandable loom. New Harness NO Core Required

There are quite a few options available. Please look through them carefully to make sure you get the right parts!

OBD2 Budget D & B-series Tucked Engine Harness (OBD2 Engine/ OBD1 ECU)

This D-series and B-series compatible wire-tuck engine harness is nearly identical to the Mil-spec engine harness line with the primary differences being the type of wire used, the single white wire color and expandable loom. New Harness NO Core Required

There are quite a few options available. Please look through them carefully to make sure you get the right parts! *Note due to current backup this harness will have a 6-8 week lead time.

Mil-Spec F-Series & H-Series Wiring harness (*Pre-Order)

F-Series and H-series wire harnesses offer Mil-Spec Teflon coated wire 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 labels for easy installation. All heavy interference circuits are protected and grounded with proper wire covering. New Harness NO Core Required

Mil-Spec D & B-Series Tucked Engine Wiring harness

The D-series & B-Series OBD1 Mil-spec wire harness is cross-compatible with both engine types.
This harness uses Mil-Spec Teflon coated wire 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 labels for easy installation. All heavy interference circuits are protected and grounded with proper wire covering. New Harness NO Core Required

BLOX PreOBD chassis to OBD I ECU Jumper

This harness allows you to adapt a JDM or US OBDI M/T ECU into an 88-91 Civic, CRX or a 90-91 Integra, OBD0 Chassis.  Our harness also includes a 3’ pigtail to simplify wiring any additional or required sensors to complete the installation. BLOX Part # BXAC-00700

BLOX OBD2a chassis to OBD1 ECU Conversion Harness

This harness allows you to adapt a 92-95 OBD I M/T ECU into a 96-98 Civic or Del Sol, 96-99 Integra, Prelude or Accord. BLOX Part # BXAC-00701
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BLOX OBD2b chassis to OBD1 ECU Conversion Harness

This harness allows you to adapt a 92-95 OBD I M/T ECU into a 99-00 Civic, 00-01 Integra, Prelude or Accord. BLOX Part # BXAC-00702
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OBD1/ OBD2 Distributor Jumper Harness

All plug & play, made of quality OE style plugs and encased within a nylon mesh flex loom, this Distributor Jumper Harness is about as easy as it gets for motor swaps. Can save you about 2 hrs worth of painful wiring and looks super clean.

OBD0 to OBD1/ OBD2 Distributor Harness

This OBD0 to OBD1 Distributor Jumper Harness will make your next motor swap pain free! Made with quality OE style plugs, this jumper harness will allow your OBD0 Honda to accept an OBD1 or OBD2 distributor. Saves you about 2 hrs worth of painful wiring and looks super clean. Why would you wanna mess with shit like that when we’ve come up with a total plug n’ play solution for you? Mess up on one of the wires and your distributor and Fuel Management system can be fried. Don’t take a chance on burning up an ECU, grab the  OBD0 to OBD1 Distributor Jumper Harness today

O2 Sensor Extension Kit

This extension kit has been created using OEM spec plugs and wiring, ensuring you a part that will last the life of your vehicle. Available in 16” or 32” lengths (fits most US spec Honda 4 wire O2 sensors)

Zerg Industries OBD2A to OBD1 Jumper Harness

Wired for GS-R secondaries, and all other options. Direct plug and play. This harness will allow you to run an older OBD1 M/T ECU in your newer vehicle. This Zerg Jumper harness is for the installation of the ECU only.
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Zerg Industries OBD2B to OBD1 Jumper Harness

Wired for GS-R secondaries, and all other options. Direct plug and play. This harness will allow you to run an older OBD1 M/T ECU in your newer vehicle. This is for the installation of the ECU only.
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K-Tuned K-Swap Conversion Harness Civic/CRX 88-91 (EF)

K-Tuned Part # KTH-88-91 (Applications: 1998-1991 EF Civic & CRX)
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K-Tuned K-Swap Conversion Harness EG/DC2

K-Tuned Part # KTH-EG-DC2
For 92-95 EG Civic & 94-01 DC2 Integra

K-Tuned K-Swap Conversion Harness Civic 96-00 (EK)

K-Tuned Part # KTH-96-98 / KTH-99-00 (Applications: 1996-1998 or 1999-2000 EK Civic)

K-Tuned K-Swap Conversion Harness Civic 01-05 (EM2)

K-Tuned Part # KTH-01-05 (Applications: 2001-2005 EM2 Civic)
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K-Tuned Adjustable Speed Converter RSX 05-06/Civic 06-11

Part # KTD-SC-AIO
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K-Tuned Immobilizer / Multiplexor Bypass

Part # KID-001
Works with 2001-2004 K&D ecus - PLM, PLR, PND, PNF, PRA, PRB & PPA
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Hybrid Racing K-Series Plug & Play Harness Conversion

Required when doing K-Series swaps. Available applications: 88-91 Civic/ CRX EF*, 92-00 Civic (EG/ EK) & 94-01 Integra DC. Brand new connectors and pins sourced from the same company Honda uses.

*SSR 88-91 Honda Civic/ CRX. 2 point to 4 point engine wiring harness conversion (*Cores Required)

Also called a Dual to Multi Point Conversion Harness. Required when swapping on a 88-91 Civic/ CRX "DX" Model *Core Required. For D16, B16A, B17A B18, & ZC Swaps. Note: Standard harness does not include VTEC wiring so if you are going to be wiring in VTEC your self or not using a VTEC motor select standard harness conversion. If you are running a VTEC engine & would like for us to add a VTEC sub-harness for you that can be done at an additional cost by selecting swap type below.

*SSR 92-95 Civic/ Del-Sol & 94-01 Integra H22A Engine Wiring Harness Conversion (*Cores Required)

This conversion will make your EG Civic or DC2 Integra compatible with a H-Series engine. *Cores Required (see more details for further information).
Note: We only support Internal coil distributors on H-Series Swaps. You can install any OBD1 coil into your External coil USDM H-Series distributor with very little modification.

*SSR 96-00 Civic B-Series & H22A Engine Wiring Harness Conversion (*Cores Required)

This conversion will make your 96-00 Civic compatible with a B-Series or H-Series engine. *Core Required (see more details for further information).
Note: We only support Internal coil distributors on H-Series Swaps. You can install any OBD1 coil into your External coil USDM H-Series distributor with very little modification.

Zerg Dual to Multi Point Wiring Harness Conversion Adapter

ZERG Industries Dual to Multi-Point Conversion adapter for 89-91 Honda Civic/ CRX D & B-Series Conversions.

Zerg Industries OBD0 to OBD1 ECU Jumper Harness

This Zerg ECU harness will allow 88-91 Honda Civic / CRX, Acura Integra and other OBD0 Honda and Acura to convert over to OBD1. Converting over allows you to use the more powerful motor found in later generations of these cars. All instructions are included for installation.

RW Ground Kit

Rywire Part# GROUND-KIT
The Rywire ground kit features:
- (1) 4 Gauge 20 inch long battery cable. (ring terminal style)
- (3) 8 Gauge 14 inch long ground wires.

The 3 shorter ground cables can be used for Front and Rear Transmission grounds as well as your Head/Valve cover ground.

AAAll grounds are protected with DR-25 high temp shrink.

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We also offer several other custom harness modifications & conversions to help you out with your swap SOHC VTEC, B16A, B18C, H22A, etc. Please call for pricing. 

*Some harnesses require a core. Core must be shipped to the address below before purchased item is shipped to buyer, for more information or questions regarding cores please call us at (626) 261-4052

Shipping address: Swap ShopRacing 10980 Arrow Route #102 Rancho Cucamonga, CA 91730

** Free Standard Shipping Offers are for select products & US Orders Only please call for details.