I've been looking for some time now information on constant 12+ (or keep alive memory) in ECU,particularly what pin does it come in trought at 19 or 8 pin connector in engine harness. Also I'd like to know which pin in engine harness connector is powering A/C compressor.
Also I found brake down on 19 pin connector but not one on 8pin. I need it for emissions purpose here in US as I need to run OBD II plug as well.
For example DSM-EVO OBD II ECU's here in states have constant 12+ at pin 12,25 and pin 80 which is shared with OBD II port at pin 16.
This link is very helpful,however when using CC1 and 123 wire to switch live ECU loses all of the memory when switched back too off. I haven't seen any information on keep alive memory or constant 12+
http://205gtishop.moonfruit.com/gti-6-conversion/4570113521
Thanks in advance.
This information is needed for GTI6 ECU-wire harness.
my3AWDgst has attached the following image:
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