Performed diagnostic on Goodman unit, upon arrival customer stated unit was clicking on and off, checked tstat, already in ac mode, upon going in basement found water inside secondary pan causing wet switch to activate, checked condensation pump, found cracked on port causing water to drain in pan and activate wet switch, recommend replacing condensation pump, inspected furnace, checked filter, blower wheel clean, inspected outdoor unit, checked capacitor, contactor, found contactor pitted, recommend replacing contactor, checked pressures, outdoor coil impacted as well, recommend cleaning coil, gave option to customer, customer approved all repairs, installed new condensation pump, made sure was pumping properly, installed contactor, and cleaned condenser coil, unit working properly at time, home is vacant and for sell