Wiring Diagram - A/C, A Note. For references to PG, refer to SYSTEM WIRING DIAGRAMS Scheme 160 Log in Scheme 160: Wiring Diagram - A/C, A Scheme 161 Log in Scheme 161 Scheme 162 Log in Scheme 162 Scheme 163 Log in Scheme 163 Scheme 164 Log in Scheme 164 Scheme 165 Log in Scheme 165 Scheme 166 Log in Scheme 166 Scheme 167 Log in Scheme 167 Scheme 168 Log in Scheme 168 Scheme 169 Log in Scheme 169: PIN CONNECTOR TERMINAL LAYOUT