Installation Manual

Step4: Plug in the radio antenna.
Necessary conditions for MP-800 car stereo works properly :
1. The Yellow wire (+12V Memory Backup ) of the MP-800 harness
has 12V output.
2. The Red wire (+12V Ignition Switch) of the MP-800 harness
has
12V output when the car key is on.
3. The Black wire (Ground wire) of the MP-800 harness is valid.
Q: It doesn't work after installation.
Reason 1: You likely bought the wrong aftermarket wiring harness
adapter that does not match your vehicle's factory wiring harness.
Solution:
Reconnect the wires of your aftermarket wiring harness adapter to the
MP-800 harness. Please scan the QR code and find the video named
"How to check if the wiring harness is correctly connected ".
Step5: Test whether MP-800 car stereo works properly
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Car Stereo Manufacturer