CT70 12V Complete Harness and Electrical LED Pro Version

CT70 12V Complete Wiring Harness Kit – PRO Version

Take your CT70 build to the next level with the BMC 12V Complete Wiring Harness Kit – PRO Version. This is our top-of-the-line setup, built for riders who want premium performance, reliability, and a clean modern finish without any wiring guesswork.

Every connector is oil- and water-resistant labeled for a true plug-and-play installation with all our aftermarket motors. Designed with custom builds in mind, this kit includes upgraded lighting, controls, ignition components, and digital instrumentation for the ultimate 12V conversion.

Includes:

• Fully Labeled 12V Wiring Harness – Plug & play layout with pre-wired RPM tachometer and gear indicator leads
• OEM-Fit Key Switch – Correct size for secure fitment in CT70 frames
• Automatic Headlight-On LED Headlight – Ultra-bright output: 5000 LM High / 3000 LM Low. This thing is seriously bright and transforms night rides.
• Slim BMC Left-Hand Control (UNIV-BMC-HBSW-LHC) – Low/high beam, turn signal, and horn buttons in a compact housing with plug-and-play adapter for a clean bar setup
• Low-Profile CNC-Machined Starter Button – Precision-machined from aluminum with a sleek finish. Mounts directly to any 7/8″ brake or clutch clamp for a minimal cockpit. Fully waterproof for all-weather reliability — ideal for electric-start motors and performance builds.
• LED Speedometer Display – Advanced multifunction digital display featuring MPH speed and odometer, separate left and right turn signal indicators, neutral light, RPM gauge, and gear indicator. Also supports a fuel-level input when paired with a tank float sensor. Fully plug-and-play wiring integration with this harness. Includes comprehensive instructions covering speed calibration for various wheel and tire sizes, along with detailed wire-function descriptions.
• Loud & Reliable Horn
• Heavy-Duty 12V Battery Bracket and Strap
• Rear Brake Switch & Spring
• High-Performance CDI – Compatible with all our 12V motors
• Full-Wave 12V Rectifier / Regulator
• Starter Solenoid – For electric-start motors
• Signal Flasher – LED-compatible for proper turn signal function
• Ignition Coil
• Kill Switch Compatible – Wiring for kill switch in headlight bucket; switch not included for simplicity. Key switch is pre-wired for kill function.

Important Note:

This kit’s gear indicator feature requires the installation of a gear indicator sensor in the motor — please ensure you have YX140 4 Up Neutral / Gear Indicator before wiring the gear indicator portion.

Notes:

• 12V Battery, Tail Light, and Turn Signals sold separately
• Designed for use with full-wave stator systems (all BMC and aftermarket motors are full-wave compatible)
• See our Motor Stator Output Guide for verification

Why Choose the PRO Version?

• Top-of-the-Line Components – Every piece upgraded for performance and longevity
• Plug & Play Simplicity – Clearly labeled for a fast, clean install
• Perfect for Complete Custom Builds – Field tested on the Great American Monkey 1000
• Premium Look and Feel – Slim controls, CNC hardware, ultra-bright lighting, digital instrumentation
• Trusted by Builders – Used in top CT70 restorations and performance builds
• Expert Support – Whether upgrading or troubleshooting, our team’s here to help