To achieve 36V, the batteries must be connected in a "daisy chain" (series): Positive (+) of Battery 1 to the Negative (-) of Battery 2. Positive (+) of Battery 2 to the Negative (-) of Battery 3. The remaining Positive (+) of Battery 3 and Negative (-) of Battery 1 connect to the main wiring harness.
[36V Battery Pack] (+)---[30A Fuse]---[Key Switch IN (Red)] | [Key Switch OUT (Red/White)]----+----[Controller Lock Wire] | | +----[Throttle LED Meter (Yellow)] | [Controller B+] <--------------------------+ [Controller B-] <---[Battery Negative (Black)] [Controller M+] ---[Motor Positive (Red)] [Controller M-] ---[Motor Negative (Black)] [Controller 5V] ---[Throttle Red] [Controller GND] ---[Throttle Black] [Controller SIG] ---[Throttle Green] [Controller BRK] ---[Brake Lever Switch] ---[Ground] [Controller 12V+] ---[Headlight Yellow/White] ---[Taillight Running Light] [Controller Brake Light Trigger] ---[Taillight Brake Filament] Razor Ecosmart Metro Wiring Diagram
To the untrained eye, the underside of a Razor Ecosmart Metro looks like a spaghetti bowl of black plastic and frustration. But to the initiated—the weekend tinkerer, the urban commuter, or the parent trying to get the kid back on the road by Monday—the wiring diagram is not a manual. It is a . To achieve 36V, the batteries must be connected
Have a specific wiring issue not covered here? Check the Razor support forums or consult a certified electric scooter repair technician for advanced diagnostics. [36V Battery Pack] (+)---[30A Fuse]---[Key Switch IN (Red)]