CAN "Controler Area Network"
Is a way to simplify wiring.
If you think of it in it's most most basic terms, imagine the sierra wiring with tones of wires all over the place goign to lights, door locks, clox, engine management, stereo, etc..
Now..
replace that with 3 wires. Data send, Data receive, +12V .. Add a localized ground and all your big wire bundles disapear.
You have lots of intelligent localized controllers that listen for signals relating to them. They then process the signal and do what they are required with much shorter local wiring.
TT
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