So when the remote is in use, the child cannot control it right? But when the remote is not in use, the child can, correct? Or how does that work?

The remote will try to override the control command to the car, but if you are trying to go forward and they put it in reverse the commands will cancel and the car won't move. The only true overrides are limiting the top speed and putting it in 'park brake' mode where it will not move. Your kid can be driving and you can try to steer to have them avoid an obstacle, however if they can overpower the little steering motor then you will not be able to control it.

How do i get the controller to streer? The steering motor works if i apply power but not with the controller. All other controlls work great.

You may need to sync up the remote by holding the center button.

How much weight can this kit handle?

I guess it would depend on the size of the car. the gears seem to be of good quality and may handle be bigger load. You may want to pare up the batteries.

Could this work with a 6v battery?

I have used it for 6, 12 and 18v with no issues.

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Kids Ride On Car 12V DIY Modified Harness Complete Set of Remote Control Circuit Borad Wires Switch Gearbox with Motors, Children Electric Ride On Car Accessories

Kids Ride On Car 12V DIY Modified Harness Complete Set of Remote Control Circuit Borad Wires Switch Gearbox with Motors, Children Electric Ride On Car Accessories

Product ID: 58781872

📡2.4G Bluetooth remote control

🔋12V power-ready DIY kit

⚙️Dual gearboxes & steering motor

Description

⚡ Upgrade your kid’s ride, rule the playground!

SAFETY FIRST - Built-in overload protector ensures worry-free playtime
PLUG PLAY POWER - Complete 12V harness set ready for your battery upgrade
PRECISION ENGINEERING - Includes dual gearboxes and steering motor for ultimate control
SEAMLESS REMOTE CONTROL - 2.4G Bluetooth tech for smooth, lag-free driving
EFFORTLESS DIY INSTALLATION - All-in-one kit designed for quick repair or upgrade

This Kids Ride On Car 12V DIY Modified Harness Set by E FAST is a comprehensive accessory kit featuring a 2.4G Bluetooth remote, control box, wires, switches, dual gearboxes, and steering motor. Designed for easy installation and repair, it supports up to 20 kg and is perfect for upgrading or customizing children’s electric ride-on cars (battery not included).

Specifications

ASIN	B079X4F9DW
Age Range Description	Kid
Best Sellers Rank	#205,437 in Toys & Games ( See Top 100 in Toys & Games ) #543 in Kids' Ride-On Replacement Parts
Brand Name	E FAST
Customer Reviews	4.2 4.2 out of 5 stars (296)
Is Assembly Required	Yes
Item Dimensions	3.94 x 3.15 x 3.54 inches
Item Dimensions L x W x H	3.94"L x 3.15"W x 3.54"H
Item Weight	150 Grams
Manufacturer	E FAST
Manufacturer Maximum Age (MONTHS)	120
Manufacturer Part Number	ZM-R-4WD
Material Type	Plastic
Model Number	ZM-R-4WD
Set Name	Kids Ride On Car 12V DIY Modified Harness Complete Set
Size	Large
Theme	Vehicle
UPC	698695885783
Unit Count	1 Count
Weight Capacity Maximum	20 Kilograms

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