This Plug n Play upgraded ZERO LCD with an additional 12V power connector can handle up to 8W or 700mA of current specifically designed for powering handlebar mounted LED Lights or horn. 

You can choose simply the plug and play upgraded LCD or our full headlight bundle which includes:

1. LED Halo Switch
2. 8W handlebar mounted headlight with mounts
3. ZERO QS-S4 LCD with 12V output 
4. Loud Horn

Compatible across all the ZERO models such as 8, 8X, 9, 10, and 10X models. Not compatible with ZERO 11X due to the 72V power output. 

This video is an example of how this upgraded ZERO LCD with the 12V power supply works:

This tutorial only applies in particular to the QS-S4 ZERO LCD throttle. You may not need to replace the whole throttle in case it is broken. We do have spare throttle levers as a spare part too. 

Here are the extent of the settings:
1. P01 - LCD brightness level (1, 2, 3)
2. P02 - Mileage display in km or miles
3. P03 - Voltage level of machine (24, 36, 48, 52, 60V)
4. P04 - 1-60 mins before machine goes to sleep with inactivity
5. P05 - N/A
6. P06 - Wheel diameter in inches
7. P07 - No. of magnets on motor (Default 30)
8. P08 - Power Level (0-100)
9. P09 - Zero start or kickstart 
10. P10 - N/A
11. P11 - Electronic braking on or off
12. P12 - Soft or high acceleration (1 is softest start; 5 is highest torque)
13. P13 and P14 - N/A
14. P15 - Controller cutoff voltage
15. P16 - Zero-ing of ODO
16. P17 - cruise mode
17. P18 to P20 - N/A

Fault Codes (see video on how to resolve the fault codes)
2 - brake
4 - 6kmh cruise
6 - battery undervoltage
7 - motor faulty
8 - throttle faulty
9 - controller faulty
10 - faulty comms between controller and LCD
11 - faulty comms between controller and LCD 
12 - BMS failure
13 - headlight failure

Here is a video explanation: