Honda B & D Series Engine Subharness

Clean Chassis Integration for Honda Platforms

The VTEC Innovations B & D Series subharness provides a structured and reliable interface between your engine harness and factory chassis wiring.

Designed to support a wide range of Honda platforms — including Civic, CRX, Integra, and Prelude applications — this subharness ensures proper signal routing and clean integration without unnecessary interior splicing.

Each listing reflects the specific chassis and year configuration noted in the product title.

Function & Integration

• Proper routing of critical engine signals
• Tachometer signal support
• MIL / Check Engine Light integration
• Vehicle Speed Sensor routing (where applicable)
• OEM-style chassis connector interface
• Labeled ECU-side leads for simplified installation

Compatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.

Construction Details

• OEM-style connector interfaces
• TXL automotive-grade wire
• Professionally loomed and strain relieved
• Built and inspected in-house

This is our standardized Budget-Spec configuration.
Mil-spec or custom routing options are available upon request.

Engine Compatibility

Supports common:

B16
B18
B20
D15
D16

Refer to the product title for exact chassis compatibility.

Important

This listing is for the chassis integration subharness only.
Main engine harness sold separately.