I own an '86 260E and I am about to put an alarm system/remote starter/keyless entry in it. I need to know the locations of the following wires and anything else that I need to know before hooking it up.
-starter kill output
-horn output
-dome light output
-2nd channel output???
-Positive door trigger input
-Negative Door Trigger input
-Ignition key input
3rd channel output???
-Polarity???
-Unlock
-Unlock common???
-Lock
-Lock Common???

Also, if someone could please explain the ones with the question marks.

Thanks,
Matt

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1988 260E