Genuine Bosch Cold Start Relay 0986332400

A Cold Start Relay is an essential component in a vehicle's starting system, particularly in diesel engines. Its primary function is to assist in the initial starting process when the engine is cold. When the ignition is turned on, the Cold Start Relay activates the glow plugs, heating them to a temperature sufficient for igniting the fuel-air mixture. This is crucial in cold weather conditions, as diesel engines require higher temperatures to ensure proper combustion. By temporarily powering the glow plugs, the relay helps to improve engine starting reliability and reduce emissions during the initial startup phase. In addition to its role in heating glow plugs, the Cold Start Relay also plays a part in managing fuel delivery to the engine during cold starts. By working in conjunction with the engine control module (ECM), the relay can adjust the duration the glow plugs remain active based on the ambient temperature and engine conditions. This ensures that the engine receives the right amount of heat and fuel, optimizing performance and minimizing wear during cold starts. Overall, the Cold Start Relay is a vital component that enhances the efficiency and longevity of a vehicle's engine, particularly in challenging weather conditions.

Current Strength [A]

30

Voltage [V]

12

Relay function

Central Electrics

Switch Function

Changeover Contact

Temperature range from [°C]

-40

Temperature range to [°C]

85

Resistor [Ohm]

112