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1. Connect the power wire (Red) to the regular
2. Connect the ACC signal wire (Yellow) to the
ACC power fuse.
3. Connect the ground wire (Black) to the
negative terminal or ground of the fuse box.
Note: Before installation and wiring, please turn off
the car engine and power to prevent short circuit.
Step 3. Testing circuit and ACC signal
Test circuit and ACC signal in the following way:
1. Insert the L-shape plug of the connecting
cable to the Type-C port of the hardwire kit,
and the other plug into the power port of the
main device. Start the car engine and wait for
the main device to turn on.
If the main device fails to power on, turn it
on manually. If the message "Connect to an
external power source" is shown, check if
the power wire of the hardwire kit is correctly
connected to the regular electric fuse.
2. After the main device is turned on, turn off
the engine and remove the key. Check if the
main device powers off or enters sleep mode.
For some cars, the ACC power off signal will
only be triggered when the driver seat door is
opened after the engine is turned off. Some
car models will only trigger the ACC power off
signal after the engine has been turned off for
a certain period of time. For such cars, check
if the main device powers off or enters sleep
mode after the ACC power is turned off.
3. After the main device powers off or enters
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