Quote:
Originally Posted by crystalworks
Maybe it's for manuals. Like a clutch pedal switch or something?
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Looks like you were right
Signal 1 (brown/black): Ground
Signal 2 (blue/brown): This signal is triggered when the clutch pedal is depressed just slightly--it goes to DME for cruise control, idle-up such as when you push in the clutch to prepare for take-off, etc.
Signal 3 (purple/yellow): This is +12V supply for the clutch switch
Signal 4 (blue/black): This signal is triggered and goes to +12V only when the clutch pedal is fully depressed--it goes to CAS for clutch interlock.
https://www.m3post.com/forums/showthread.php?t=1099239