I am a bit confused about the wiring for the TCW Backup Battery for my dual 5600T system. The AFS docs describe a wiring design totally different than what TCW documents. In particular, the AFS wiring diagram describes backup power coming from Pin 7 of the TCW system. The TCW diagram shows pin 12, 13, 14, and 15 as being the outputs for backup power. There are other differences as well


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