Understanding the BECM cables

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mcapinha

Active Member
Posts
549
Location
Portugal
Good day all,

I've consulted RAVE many times trying to understand how everything is tied together in these lovely machines. And every time I've consulted it I've come up with the same question: where can I find out what's the purpose of each wire that goes into the BECM ? I mean, is there a table somewhere that says that wire 1 is connected to A, wire 2 to B, and so on ?
I know I can read all the schematics and come up with this table (that I would gladly share, of course), but that's really the last resort.


And a specific question: the Black/Yellow wire that comes from the BECM (position 8) into the glow plug relay, what is it for ? I've just installed a hot start fix and found that someone had cut this wire and soldered it. Every other wire that is needed to install the hot fix had also been cut/splice so I'm guessing that someone tried a hot fix before and probably thought that they could use the BY wire as an earth.
 
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