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Rywire 88-91 Civic/CRX Si/HF/EX F/H Series OBD1 Mil-Spec Tucked Engine Harness
Part Number: RY-H1-MILSPEC-EF

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Rywire 88-91 Civic/CRX Si/HF/EX F/H Series OBD1 Mil-Spec Tucked Engine Harness
Part Number: RY-H1-MILSPEC-EF

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Product Details

Part Number: RY-H1-MILSPEC-EF
Brand: Rywire

Rywire Honda F/H-Series Mil-Spec Eng Harn w/OBD1 Dist/Inj/Alt & 92-95 Plugs with Rywire 88-91 Honda Civic/CRX Si/HF/EX Chassis Specific Adapter

Rywire's H (H22/H23) or F (F20B/Accord) Series Mil-spec tucked engine wire harness is cross-compatible with both engine types.

The distributor connections are setup for internal coil distributors only. CAN NOT USE EXTERNAL COIL.

This harness uses Mil-Spec Teflon coated wire with a maximum heat rating of 200C . 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. 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.
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.

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 to any Mil-Spec wire harness.

All connectors and materials are new. Each connector is crimped with pneumatic heads to ensure an OEM crimp every time, then tagged with a white identification label for easy installation. All heavy interference circuits are protected and grounded with proper wire covering. Our engine harnesses are 100% quality tested pin to pin; And resistance checked to ensure no voltage fluctuations.

All Rywire engine harnesses are made with OBD1 (92-95) Computer Connectors. A Computer adapter can be used for OBD2 computer's if necessary however our harness does not support USDM OBD2 computer's. Aftermarket computer's using OBD2 plugs and Non-US OBD2 computer's are compatible (except for H22 and GSR stock computers).

Each harness will come with a custom back side sub-harness that will be proprietary to the chassis you choose on the drop down menu. This way if you ever change chassis you will only need a new sub-harness, not a whole new wire loom!

These harnesses are warrantied and guaranteed to work, however they are non-refundable. Because the back-side (interior/shock tower connection) separates from the main harness, the engine harness can be used on multiple chassis provided the engine itself uses the same components. We sell the back-side harness separately only over the phone for previous engine harness customers.

The engine harness, fuse/relay box, and switch panel are all PLUG AND PLAY making your life much easier!

Connector List:
  • Oil Pressure Sending Unit
  • Knock Sensor(Round Style)
  • Intake Air Temperature (Intake Manifold Style)
  • Oxygen Sensor (Primary 4 Wire)
  • Alternator
  • 2 Extra Wires
  • Injector 1-4
  • MAP Sensor
  • TPS (Throttle position)
  • Idle Control Motor
  • Electronic Speed Sensor
  • Ground
  • Fan Switch
  • OBD1 Distributor plugs
  • h20 Sending Unit (for Gauge Cluster)
  • Reverse Lights
  • Engine Coolant Temp
  • Starter Signal
  • VTEC Solenoid
  • OBD1 Computer Plugs A,B,D
  • Power Distribution Cap

Due to the manufacturer's price control policy, this item may be excluded from promotions and discounts

WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.

Vehicle Fitment

Honda CRX
1988 Honda CRX HF
1989 Honda CRX HF
1990 Honda CRX HF
1991 Honda CRX HF
1988 Honda CRX Si
1989 Honda CRX Si
1990 Honda CRX Si
1991 Honda CRX Si
Honda Civic
1990 Honda Civic EX
1991 Honda Civic EX
1989 Honda Civic Si
1990 Honda Civic Si
1991 Honda Civic Si

Engine Fitment

Honda 2.2L/2156CC - 4 Cylinder (H22A4)
Honda 2.2L/2156CC - 4 Cylinder (H22A1)
Honda 2.3L/2259CC - 4 Cylinder (H23A1)

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