Test Electric Scooter Key Switch at Controller
No test equipment necessary
Key switch circuits often labeled lock.
TEST
1. Remove fuse
2. Elevate rear wheel
3. Disconnect Key or lock circuit
4. Make a jumper circuit between the
two Key circuit wires from controller.
CAUTION
Be sure scooter is stable
Stay clear of rear wheel
5. Replace fuse
CAUTION Throttle may now be active
6. Check display, brake, turn signal, headlight, and horn.
If none of the above are available
try throttle.
7. Remove jumper circuit.
End of test
If display, brake, turn signal, headlight, or horn are functioning your
key switch circuit is malfunctioning.
Most Chinese electric
scooters use two and sometimes three position key lock circuits.
( Your scooter may have a three position
switch but the third position is not commonly used)
OFF null , ON
on, and sometimes an accessory ON take-off.
Unlike gas scooter control units (common negative ground systems) most electric scooters
controllers are equipped with dedicated accessory circuits and do not
employ frame grounding . ( Gas scooter key switch On = Open and Off
position = Closed Circuit).
Voltmeter
Test- Test suspect
electric scooter key switch for continuity Off = open, On = closed
circuit.