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Why does the volume keep shutting turn down to zero ?

This problem are cause by wire connection error for most of our customers. Especially for abandon of SWC function on their car.

Please detect Steering wheel control line 1 & 2 from Power socket(refer to the under picture), do not let these two wires connect with the other wires( except the SWC wires of your car) or touch metal.

If you do not use the function of Steering Wheel Control, keep these two wires insulated, or cut them off.

Some of the customer can not solve the problem, even they cut these two wires off. But finally we found they cut the wrong wires,

Please refer to the under picture. The two terminals pointed by two arrows are SWC wires.

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