If you drive, you need to know about its function, components and common issues it sometimes gets.. A relay acts as an electrical switch, while a solenoid mechanically engages the starter motor to initiate engine operation.
3 differences between starter solenoid switch & starter relay many people think a starter solenoid switch and a starter relay to be the same, which is not true.. This blog explains the differences between starters and solenoids, common failure signs, and tips to safely diagnose and fix your car’s starting issues.