Engine Wire Harnesses

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 may have a lead time.

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

Mil-Spec F-Series & H-Series Wiring harness

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

88-91 Honda Civic/ CRX. 2 point to 4 point engine wiring harness conversion

Also called a Dual to Multi Point Conversion Harness. Required when swapping on a 88-91 Civic/ CRX "DX" Model. For D16, B16A, B17A B18B, B18C and B20 Swaps. Note: Standard harness does include VTEC wiring so if you are not going to be wiring in VTEC you will have a few extra plugs. The harness is however compatible with NON-VTEC motors.

92-95 Civic/ Del-Sol & 94-01 Integra H22A Engine Wiring Harness Conversion

This conversion will make your EG Civic or DC2 Integra compatible with a H-Series engine. (see more details for instructions).
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.

96-00 Civic B-Series & D-Series Engine Wiring Harness Conversion

This plug and play harness conversion will make your 96-00 Honda Civic (EJ/EK/EM) compatible with a B-Series or D-Series engine and OBD1 ECU.

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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B-series Standalone Race Engine Harness

B-Series Motec engine harness is a universal, fully populated race loom that incorporates all the essential functionality of the fastest Front wheel drive Hondas of today.
Part# B-MOTEC-M130

K-Tuned K-Series Tucked Engine Harness

K-Tuned Part# KTH-215-ENG

K-Tuned K-Series Tucked Engine Harness. Made using SAE certified automotive grade wiring. The military grade shrink loom is rated for - 67°F to 320°F.
For most K-Swap Cars, 02-04 RSX Type S, RSX Base or EP3 with Type S or K24 Swap using a K-Tuned Adapter Conversion Harness

K-Tuned Power Wire

K-Tuned Part# KTH-PWR-085
High grade power wire can be used for most k-series cars. It is designed to connect from the fuse box to the alternator. Overall length is approximately 85" long and can be cut to length. The kit comes with loom, heat shrink, ends, and labels. Not: Fuse box terminal has a 5mm ID hole and 12.5mm wide spade. Alternator ring terminal 10.5mm ID hole and 15mm OD. Ensure both sizes work for your application before purchasing.
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K-Tuned Ground Strap (Pair)

K-Tuned Part# KTH-GWP-011
The K-Tuned ground wire kit includes two 11" long ground wires. These are great upgrade for old corroded and worn grounds. You want to run one from transmission to chassis and engine to chassis. Both connections should be to bare metal.
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Honda S2000 (F20C/F22C) Mil-Spec Tucked Engine Harness

This S2K F-Series (S2000 F20C/F22C Engine) engine harness has a few options, of which we generally suggest a Charge Harness.

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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Honda B/D/H/K-Series Charge Harness

This charge harness for the starter and alternator leads. Made to use with D/B/F/H and K series tucked engine harnesses.

Rywire Race Style Chassis Adapter Relay/Fuse Box

Race Style Chassis Adapter Relay/Fuse Box for Ry-Wire B-Series, D-Series and H-Series Tuck Harnesses
Part# RY-V3-SUB-RACE
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Rywire Flying Lead Race (Universal) for B/D/H-Series

Flying Lead Race (Universal) for B/D/H-Series Harnesses Chassis Specific Adapter for Ry-Wire B-Series, D-Series and H-Series Tuck Harnesses
Part# RY-B-SUB-FLY
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LS3-E38 wire tuck engine harness (designed for E38 LS3 plug n' play Computer Plugs)

This Standalone harness was designed for a GM LS3 engine and E38 computer with manual transmission. All connectors and materials are new. 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 shielding. Our engine harnesses are 100% quality tested pin to pin; And resistance checked to ensure no voltage fluctuations.
Rywire GM LS3 V8 E38 ECU Engine Harness w/Bosch MAP Option (Req PDM/Fuse Box/Mating Connector) Part# RY-LS3-E38

LS1 Mil-spec tuck engine harness (99-01)

The LS1 Mil-spec wire tuck engine harness is for a 99-01 Camaro Computer configuration with the Red & Blue Computer plugs.
Part#  LS1-MILSPEC

EG/ DC2 OBD2 OEM Replacement Harness (B-Series)

92-95 Honda Civic w/B-Series Swap or 94-01 Integra (LHD Only) OEM Replacement Engine Harness. OBD2 distributor, alternator and injector plugs.
Part# B2-OEM
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