Ignitions and Electrical› Wiring Harnesses

Rywire

Rywire 13B Haltech Mil-Spec Eng Harness w/Chassis Specific Adapter

$1,334.00

SKU: R00L RY-13B-HALTECH-SUB-FD

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This Rywire 13B Haltech Mil-Spec Engine Wiring Harness is designed to facilitate engine swaps or replace degraded wiring in classic vehicles, specifically for the Mazda RX-7 FD3S chassis equipped with a 13B rotary engine and a Haltech ECU. It features military-specification construction for durability and includes a chassis-specific adapter to ensure proper fitment and functionality with aftermarket Haltech engine management systems. This product is ideal for enthusiasts seeking a robust and precise wiring solution for their high-performance rotary builds.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRywire
Part NumberR00L RY-13B-HALTECH-SUB-FD

Videos

Rywire Engine Harness Basics. How to Order. OBD Identification and More!

Rywire Engine Harness Basics. How to Order. OBD Identification and More!

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy