How to Replace a Lennox Pulse Ignition Control Unit?

Answer Lennox manufactures a line of gas furnaces that utilize pulse ignition control units. A pulse ignition control unit is an electronic module that produces a spark for lighting the furnace burners, ... Read More »

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How to Clean the Flame Sensor on a Lennox Pulse 21 Model G21Q3-60-1 Furnace?

The Lennox Pulse 21 furnace has a flame sensor that will not allow the furnace to run if it is covered in debris. If the sensor is dirty, the heat will not go on. You can remove the flame sensor an... Read More »

How to Locate the Electronic Control Unit Ignition Module Computer Brain Box in a 1990 Dodge D150?

The PCM or powertrain control module in your D150 is a small computer that acts as a brain for your truck's electrical system and various mechanical components. Every action that your truck perfor... Read More »

How to Replace a Wiper Pulse Control Board in a Chevy 1500 Truck?

The wiper pulse control board on your Chevroler 1500 truck is essential for the operation of your vehicle's windshield wipers. If the control board becomes damaged, you will have to replace it as s... Read More »

How to Replace the Climate Control Unit in an F-150?

The climate control unit in a Ford F-150 is the control module in the center of the dash below the radio that has the blower controller and the air/heat mixture control on it. If the unit stops wor... Read More »