How do you change the heater cables of a 1991 Toyota Corolla?

To change the heater cables on a 1991 Toyota Corolla, first, disconnect the battery and remove the dashboard panel to access the heater controls. Next, locate the heater cables connected to the control mechanism, and detach them by loosening any retaining clips or screws. Replace the old cables with new ones, ensuring they are properly routed and secured. Finally, reassemble the dashboard, reconnect the battery, and test the heater controls to ensure proper function.