Why a Faulty Ignition Relay Could Strand Your Car

A typical car contains a large number of electronic relays that are designed to regulate the flow of electricity. They are, in effect, master switches that isolate power when it’s not required and let it flow to the particular device as and when needed. One of these relays is very important and is linked to the ignition system. What could happen should this relay develop a fault, and how do you know when this happens?