Why your heater not working in by 1992 Cadillac brougham?

If your heater is not working in your 1992 Cadillac Brougham, it could be due to several reasons. Common issues include a faulty thermostat, a clogged heater core, or a malfunctioning blower motor. Additionally, low coolant levels or a leak in the cooling system can prevent proper heating. It's best to check these components or consult a mechanic for a thorough diagnosis.