Medium EV Ignition Lock — Economy Variant

The IGNITION LOCK [P27-P37 MEDIUM PIN] is a key-operated main power switch replacement module designed for electric scooters, e-bikes, and light commercial electric vehicles. Serving as the primary power isolation lock, it acts as an essential security gate between the main battery DC line and the vehicle's onboard controller and auxiliary electronics.

Engineered with a medium-length pin configuration and a high-impact alloy outer housing, this ignition key lock switch provides reliable anti-theft security and physical power isolation. Compatible across standard 12V to 60V DC sub-circuits, it offers smooth key turning action, tamper resistance, and a pre-wired terminal harness for straightforward panel-mount installation.

Key Features

• Medium Pin Configuration: Specifically engineered to align with P27-P37 key lock slot profiles on electric two-wheelers.
• Key-Operated Anti-Theft Security: Prevents unauthorized activation and starting of the electric vehicle when parked or unattended.
• Wide Voltage Compatibility: Supports auxiliary and main key switch loops operating across 12V to 60V DC.
• Impact & Tamper-Resistant Build: Constructed from durable metallic alloy housing to resist forcing and daily outdoor environmental wear.
• Pre-Wired Multi-Pin Interface: Comes equipped with pre-terminated electrical leads for easy plug-and-play wiring into vehicle control harnesses.

1x IGNITION LOCK [P27-P37 MEDIUM PIN] Assembly (main key cylinder unit with pre-wired connector)

2x Matching Key Set (ergonomic ignition keys)

Suitable Vehicle Types & Applications

• Electric Scooters & E-Bikes: Direct key switch replacement for low-speed and high-speed electric two-wheelers using P27-P37 lock profiles.
• Commercial E-Rickshaws & Utility LEVs: Main ignition lock switch for fleet vehicles requiring secure key access.
• Custom EV Conversions: Key-operated master ignition switch for custom battery and controller sub-circuits.

System & Electrical Compatibility

• Wide 12V–60V DC Sub-Circuits: Fully compatible with main DC-DC converter feeds, ignition interlock loops, and controller enable lines.
• Standard EV Harnesses: Connects directly into matching multi-pin key switch sockets on standard EV wiring looms.

1. Isolate Power & Remove Old Lock Assembly:

Turn off the key ignition, trip the main DC circuit breaker, and disconnect the main battery pack leads. Unfasten body panels to access the rear of the ignition switch, then unplug the legacy wire connector and remove mounting hardware.

Verification: Test with a multimeter to verify zero live voltage is present at the ignition wire connector before proceeding.

2. Mount New Ignition Lock to Frame:

Align the IGNITION LOCK [P27-P37 MEDIUM PIN] with the designated slot on the vehicle frame or body panel, then tighten the retaining screws or lock nut firmly.

Verification: The lock housing sits flush against the panel without wobbling when inserting or turning the key.

3. Connect Wire Harness:

Plug the pre-wired multi-pin terminal connector into the vehicle's matching ignition wiring harness. Ensure all pins align correctly and click firmly into position.

Verification: The harness connector is completely seated and insulated against moisture or exposed terminal leads.

4. Reconnect Power & Test Ignition Function:

Reconnect main battery leads, reset the circuit breaker, and insert the key. Turn key to ON to confirm instrument cluster and controller boot-up, then turn to OFF to confirm complete system shutdown.

Verification: Turning the key smoothly toggles vehicle power ON and OFF with zero flickering or intermittent electrical loss.

• Power Isolation: Always turn off the ignition, trip the main DC circuit breaker, and disconnect the battery pack before inspecting ignition wiring.
• Keyway Lubrication: Periodically spray a light dry-graphite lock lubricant into the key cylinder to ensure smooth pin movement and prevent sticking.
• Harness & Seal Inspection: Regularly check the rear wire harness and connector housing for signs of moisture, chafing, or loose connections caused by road vibration.