How Do You Know If A Starter Relay Is Bad. You wouldnt even be able to take your car to the mechanics shop. How to tell if starter relay is badWell it is one of the major but often neglected components of the ignition system.
When you turn the ignition key to the start position the battery voltage goes through the starter control circuit and activates the starter solenoid which in turn energizes the starter motor. But if you do attempt this project be sure to unplug your refrigerator by pulling the power cord completely out of the outlet before you begin. With the key in the RUN or ACC position check that fuses 5 8 10 and 14 are activated.
The solenoid may use a diode to protect the starter relay contacts that power it.
Answer 1 of 10. You now know the functions causes and signs of a starter relay. Before we get into the symptoms of a bad starter solenoid lets discuss what this part does and how it works. Secure red jumper wire from the positive battery post to the yellow or red wire terminal on the starter relay.
