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Replacement key ignition lock for the Arwibon Q30 electric scooter. This version includes the key switch and voltage display but does not include a throttle.
The assembly mounts directly on the handlebar and connects to the scooter's main wiring harness. Turning the key controls scooter power, while the built-in display shows the system voltage when the scooter is switched on.
Please compare the connector, wire configuration, mounting position, and appearance with your original Q30 key lock before ordering.
Different Q30 production versions may use different electrical connectors or handlebar components. This item should not be selected by scooter model name alone.
Prepare the following tools before replacement:
Use cutting tools carefully around the wiring insulation.
Locate the black spiral cable sleeve underneath the handlebar.
Unwind the sleeve by hand and move it downward until the electrical connectors are exposed.
Carefully remove the black electrical tape around the connector area. Keep the blade away from the cable insulation.
Separate the surrounding wires until the connector belonging to the key lock can be clearly identified.
Check: The key lock wire and its connector should be fully exposed and easy to access.
Hold both sides of the connector housing.
Press the locking tab and pull the two connector halves straight apart.
If the key lock version has an additional auxiliary connector, disconnect it at the same time.
Do not pull the connector apart by holding the wires.
Check: All wiring from the old key lock should now be separated from the scooter's main harness.
Pull and twist the outer rubber handlebar grip until it slides off the handlebar tube.
Use the correct Allen key to loosen the brake lever clamp.
Slide the brake lever outward and remove it from the handlebar.
Loosen the clamp screw on the key ignition lock.
Slide the complete old key lock assembly and its cable off the handlebar.
Check: The mounting section of the handlebar should now be clear and the old key lock completely removed.
Slide the new key lock assembly onto the handlebar tube.
Position the wiring so it exits toward the lower side of the handlebar.
Do not tighten the clamp completely yet.
Slide the brake lever back onto the handlebar next to the key lock.
Reinstall the rubber grip at the end of the handlebar.
Push the grip fully into position.
At this stage, the components should be arranged in the following order:
Grip → Brake Lever → Key Lock
Make sure the components do not interfere with each other.
Rotate the key lock until the voltage display can be read comfortably from the riding position.
Tighten the key lock clamp screw with the Allen key.
Adjust the brake lever angle to a comfortable operating position and tighten its clamp screw.
Check the key lock and brake lever by hand. Neither component should rotate or move on the handlebar.
Route the key lock cable alongside the existing handlebar wiring.
Use a nylon cable tie to hold the wires together.
Cut off the excess cable tie tail.
Do not pull the cable tie so tight that it crushes or sharply bends the wires.
Locate the corresponding connector on the scooter's main wiring harness.
Check the plug orientation and alignment before connecting it.
Push the two connectors straight together until the locking tab is fully engaged.
Do not force the plug if the connector shape or pin arrangement does not match.
Insert the key and turn it to the ON position.
Check that:
Turn the key back to OFF after testing.
Check: The voltage display should switch off and the scooter should shut down when the key is turned off.
After the electrical test has passed, arrange the connectors and surrounding wires neatly.
Wrap the connector area with black electrical insulation tape for additional protection and to keep the plugs from moving against the surrounding wiring.
Reinstall the original black spiral protective sleeve around the cable group.
Continue wrapping until the connector area is covered and the wiring sits neatly underneath the handlebar.
Do not wrap the cable so tightly that steering movement is restricted.
Before riding the scooter, perform several final checks.
Try to rotate the:
The brake lever and key lock clamps should remain firmly in position.
Turn the handlebar fully to the left and then fully to the right.
Watch the key lock cable and main wiring harness during the test.
The wiring should move naturally without:
Turn the key to ON again and check the voltage display and main scooter display.
Confirm that the scooter powers on and off correctly with the key.
Do not ride the scooter if the electrical system switches off unexpectedly, the display flickers, or the wiring becomes tight during steering.
This fixed my broken key switch issue. Keys operate smoothly, locks and unlocks reliably. I love having the voltage display right on the lock housing, handy for checking battery level quickly. Fit my Q30 without any modification.
Nice replacement key lock, note this model does not include throttle. Mounts securely on handlebars. Voltage display is easy to read during rides. Wiring connector matches exactly, installation is simple with basic tools. Works exactly as described.
Solid built‑quality key lock assembly. My old ignition switch failed completely, this unit was a direct swap. Voltage readout is clear and accurate. Keys turn smoothly, no sticking. Really glad I found this OEM replacement part.
Perfect ignition lock replacement for my Arwibon Q30. Comes with two working keys, fits the handlebar mount perfectly. The built‑in voltage display works great to monitor battery status. Plug‑and‑play install, my scooter powers on and off smoothly with the key.
Great genuine replacement lock kit. Two spare keys are a big plus. Voltage indicator gives me real‑time battery feedback. Snug fit on handlebar, no wobble after installation. Highly recommend if your original ignition is worn out.
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