1999–2000 Civic Chassis Subharness – Tucked Mil-Spec | B/D/H/F Engine Support

🧩 99–00 Honda Civic Chassis Subharness – B/D/H/F Ready | VTEC Innovations
This in-house subharness is purpose-built for 1999–2000 Honda Civic (EK chassis) models to support custom engine harnesses — including B, D, H, and F-series swaps using OBD1 or standalone ECUs.
Designed to eliminate clutter and simplify integration, this subharness connects key chassis-side signals (fan, starter, VTEC, IACV, etc.) to your engine harness cleanly and reliably.
Built from:

• M22759/32 Tefzel mil-spec wire
• Raychem ATUM sealed ends
• OEM-spec connectors
• Fully loomed in high-temp braided sleeving

✅ Key Features:

• Direct-fit for 99–00 Civic underdash fuse/engine harness plug
• Designed for use with aftermarket or custom engine harnesses
• Connects VTEC, IACV, IAT, starter signal, ECT, fan, etc.
• Fully heat-sealed, labeled, and loomed
• Pairs with our full custom harness or jumper kits

📦 Fitment:

• 1999–2000 Honda Civic (EX, HX, DX, LX, Si)
• Works with B-Series, D-Series, H-Series, and F-Series engines
• Compatible with Hondata, Speeduino, Neptune, OEM OBD1, etc.

🔥 Ideal For:

• Engine harness swaps
• OBD1 or standalone conversion builds
• Tucked engine bay layouts
• Customers using our full mil-spec engine harnesses