原始文本 - 英语 - remove head unit(remember to retain any codes for...

1.remove head unit(remember to retain any codes for later use)
2.Assemble the pc9-x21 ,its appropriate stereospecific Patch Lead and any secondary adaptor
3.Connect the full assembly to the vehicle wiring
4.Link the ISO and Stereo specific Patch to your new Head unit taking care to follow ALL instrucctions that came in with your Patch Lead
5.Dry test the steering remote functions,fit your stereo into the dash ensuring no wiring becomes trapped and the moule
6.Re-test the system