Veracruz. Rear air controls. Blower won't turn on, no lights on rear controls panel

eagle618f

07 Veracruz. Rear air controls. Blower won't turn on, no lights on rear controls panel. What is the likely cause or on what and where do I start diagnostics?

93tracker5spd

Check fuses, and relay, if powered ok, start following wiring back. Note color codes and check for power at every connector until you find the one that's dead.