Wiring Diagram - A/C Note. For PG-Power, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS . Scheme 151 Log in Scheme 151: Wiring Diagram - A/C Scheme 152 Log in Scheme 152 Scheme 153 Log in Scheme 153 Scheme 154 Log in Scheme 154 Scheme 155 Log in Scheme 155 Scheme 156 Log in Scheme 156 Scheme 157 Log in Scheme 157