In the first part of this electrical troubleshooting series, we discussed how a consistent approach to electrical troubleshooting can help HVAC technicians get a comprehensive assessment of what is ...

Vehicle air conditioning is typically one of a car's most durable systems. Though it is often in use every day, a modern air conditioning system just keeps humming along providing cool air when you ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...