Yep sounds right. B1 and A25 are both switched 12V. Use one for o2 sensor power and use the other for secondary butterfly power, or just run the secondary buterfly power wire to the IACV power wire.
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Don't bother giving me "rep", I won't return it and I think it is stupid.
Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.