The wires and switches inside your furnace may look complicated, but Ty Branaman says not to get overwhelmed by them. Break it down, consult the wiring schematic, and use instrumentation to check if your pressure switch is getting the right readings. Remember, troubleshooting is like diagnosing a car with a fuel gauge showing empty— don't blame the gauge right away; check if there's gas in the tank! Catch the full livestream on YouTube: https://buff.ly/3GtS9Fu #HVAC #HVACR #HVACSchool #HVACTips