How to test starter relay?

You can test a small single-pole starter relay by inserting the power leads into the relay. There is usually a way to see the relay coil’s indicator LED. If you don’t see the light, the relay is bad. You can also test a small single-pole relay by using the power lead wires from a lighter or a small electronics power supply. If the light does not come on, the relay is bad.

How to test starter relay circuit?

First, try to start the engine with the key in the lock position. If it doesn’t start, it’s possible that the car won’t start because of a dead battery or a faulty starter. So, check your car’s battery with a voltmeter. If it reads more than 13.5 volts, it means your battery is dead and needs to be replaced. If the engine still doesn’t start, it’s possible that the starter

How to test starter relay switch?

The first thing you need to do is to check the wires of the starter relay. The wires should be of the same color and connected properly to the correct terminals. If the wires are burnt or corroded, you need to replace them. It is also advisable to replace the relay if the connection is loose. Sometimes the problem may be that the contact points of the relay are fused. You need to check this as well. If the contact points are fused, you need to replace them.

How to test a starter relay?

Now that we have the correct wiring installed, it’s time to check that the wiring is in good condition and that there are no shorts. To do this, simply plug in the positive battery cable. If you do not see the LED on the relay switch light up, then there is either a short somewhere or you accidentally swapped the wires.

How to test starter relay wiring diagram?

You need to replace the defective starter relay with a new one. Before doing that, verify that the new starter relay is a genuine OEM part. Do not buy a cheap aftermarket part as it may not work. Test the new relay. Disconnect one of the wires from the existing relay and connect it to the new one. Make sure the connection is tight. Now, turn on the ignition and check whether the vehicle has started. If the vehicle doesn’t start, test the connection from