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Rywire - Honda OBD2 Mil-Spec D & B-Series Tucked Engine harness

Rywire - Honda OBD2 Mil-Spec D & B-Series Tucked Engine harness


Category: Wiring Harnesses

Regular price $749.00
Regular price Sale price $749.00
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Our D-series & B-Series OBD2 Mil-spec wire harness is cross-compatible with both engine types.There are quite a few options available.Please look through them carefully to make sure you get the right connectors!Component Type: Select your OBD2 distributor connector type by counting the # of wire positions it has.Fuel Injector Plug Type: (Select "NH1/HONDA OBD2" by default)The Injector plug dropdown menu has all the options you would need if you require a different Injector type only.Vehicle Type: Select your vehicles chassis type.This tells us what interior "Chassis Adapter" you need.Charge Harness:• The "1-piece charge harness" option will add the Starter & Alternator leads to the fuse box that goes through the firewall. Click here to see the "2-piece bulkhead charge harness" If you are not running your own Alternator power lead, you should add this.• If you are relocating your battery, with our Starter Fuse box lead, all you need to do is run a heavy gauge wire to the starter from your 12v+ battery terminal in order to get 12v+ power to your fuse box.Add Quick Disconnect Plug:This adds fire-wall separation plug and cleanly attaches with the quick disconnect plate above.Add VTEC Pressure switch plug: This adds a bolt to put in place of the un-used VTEC Oil pressure sensor if you wish to remove it for a cleaner look.Add ECU Jumper: Add the OBD1 to OBD2a ECU adapter ***NOTE: This engine harnesses uses OBD1 (92-95) ECU Connectors Our D-series & B-Series OBD2 Mil-spec wire harness is cross-compatible with both engine types.MADE IN THE U.S.A.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. 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.This engine harnesses is made with OBD1 (92-95) ECU Connectors(For this product name, OBD2 applies to the Alternator, Distributor, and Injector connector difference)An ECU adapter can be used for OBD2 ECU's if necessary however our harness does not support USDM OBD2 ECU's. Aftermarket ECU's using OBD2 plugs and Non-US OBD2 ECU'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. Chassis adapter options This harness can plug and play into any chassis, but we recommend our Rywire standalone RACE fuse box This fuse box allows for a quick and easy install into any chassis, off road car, sand rail, buggy, gutted circuit or drag race car.This harness with the RACE fuse/relay box can also be plug and play with our SWITCH PANEL engine harness, fuse/relay box, and switch panel are all PLUG AND PLAY making your life much easier!MADE IN THE U.S.A. HARNESS CONNECTOR LIST: • Oil Pressure Sending Unit • Knock Sensor • Intake Air Temperature (Intake Manifold Style) • Oxygen Sensor (Primary 4 Wire) • OBD2 Alternator • 2 Extra Wires • OBD2 Injectors 1-4 • MAP Sensor • TPS (Throttle position) • Idle Control Motor • Electronic Speed Sensor • Ground • Fan Switch • OBD2 10-pin Distributor plug • h20 Sending Unit (for Gauge Cluster) • Reverse Lights • Engine Coolant Temp • Starter Signal • VTEC Solenoid • OBD1 ECU Plugs A,B,D • Power Distribution Cap


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Processing will take about 2 to 3 days before your product ships. If an item is not in stock, you will have an update as to when your item will ship within 24 hours. If you have any questions about shipping make sure to email us at or call our reps today at 732-638-5268.

If by any chance, your package that has been delivered by the carrier is lost/stolen, YOU (THE BUYER) are responsible for working with the carrier and us, Tri-State Motorsports to recover your package. You must contact us and the shipping company within 48 hours of delivery for lost/damage claims. You are covered by the basic insurance amount APPROVED by the shipping center. We DO NOT refund or reship product for claims that are denied by the shipping company.


When will my product ship out?

Due to the impact of COVID-19 and the high volume of orders, some orders may take longer than usual to process and ship. Processing takes about 2 to 3 days before your order ships. If you order an item that’s on backorder, you will automatically be refunded for that item.

Refunds are subject to a 20% restocking fee. Cancellations are subject to 10% cancellation/processing fee under no exceptions. If you have any questions about shipping make sure to email us at or call our reps today at 1 (844) 442-8118.

What's the Warranty on our products?

Unless the product is manufactured by Tri-State Motorsports or TSM Race, ALL Warranties go through the Manufacturer directly. Please visit their official website and get in contact with them in regards to your warranty. We will supply you with any invoice or tracking information the manufacturer asks you for.

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