WeeIye 2. 4G Remote Control bluetooth receiver for kids powered ride on car Model Number : WeeIye RX74 24V CE FC Can Replace RX30 24V FC CE . 7-pin Four-sided socket RX30=RX74-1=RX74-D , models are the same. Please compare the original controller model before purchasing. When using the remote control for the first time, please match it according to the remote control manual. 40A Relay High Power Controller Ride-Ons Toys Car 24V Control Box Motherboard Transmitter Replacement Spare Parts.Using 40A Relay, With Higher Power And More Stable Performance Weelye RX74-1 24V 2.4G Bluetooth Remote Control and Control Box Kit For Power Wheel，Products Have Slow Start Function, No Additional Installation Of Slow Starter.  How to make sure whether the control box fits your car?
Open your broken electric ride on car and check the control box.
If the appearance of the control box is the same, this part should fit your car.
Ⅰ. The first use (or replace the battery) need to matching frequency
Step 1. Install two AAA 1.5V batteries, (note the positive and negative polarity inside the battery chamber), and finally close the battery cover, indicator will flash three times indicates that the battery is installed correctly.
Step 2. Press and hold the frequency key(car select) for about 2 seconds and the indicator will flash
Step 3. Turn on the power supply of the car and the indicator will turn off
Step 4. If the matching frequency is unsuccessful (indicator not turn off), please turn off the power supply and repeat steps 2 and 3.