A-looks to plug into the factory HU harness

B-if I'm correct, is for a pioneer deck

C-I believe goes to the factory head unit, installed into the trunk.

D-may be a remote turn on wire for an amp

E- I'm not sure, looks like it's comming off the aftermarket harness. What color is the wire it's attached to?

F-not to sure either, possibly door chimes, or other security devices

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