What Does an ECM Wiring Relay Do?

Answer Today's complex automotive engines need information regarding temperature, fuel consumption, speed and pollution to operate properly. The instrument making these decisions, the Engine Control Modul... Read More »

Top Q&A For: What Does an ECM Wiring Relay Do

What does ts stand for on a wiring diagram that shows a relay?

According to the International Organization for Standardization (ISO), the abbreviation "ts" on blueprints or wiring diagrams indicates technical specifications. On a diagram that includes an elect... Read More »

Wiring a Light Relay?

Use a relay to turn on a new light installed on your car or truck to keep high current from wearing out the contacts of the switch. Low current through the coil of the relay operates an electromagn... Read More »

Auto Fan Relay Wiring Instructions?

An automotive fan plays a critical role in an automobile's cooling system. The fan moves air through the radiator, which allows the engine coolant to lose heat more quickly. Unfortunately, an autom... Read More »

How was the first house electrical wiring and telephone wiring put in how did the light switches work?

The oldest wiring I have run across is either knob and tube or cleat wiring. The wires did have insulation (rubber had already been invented) and the were supported off the wood frame of the house ... Read More »