Starter Motor Relay Test

How to check a ford type starter solenoid relay diy troubleshooting car no crank automotive repair easy step by step diy testing a ford solenoid.

Starter motor relay test.

There is no polarity on the solenoid so it doesn t matter which side is which. These two components work together to ensure that the starter operates safely and does not turn the engine over in an unsafe condition. This will prevent the starter motor from accidentally starting the engine during your tests. The starter relay provides power to the starter when the key switch is turned to start the starter.

You will easily find it near the battery and has the battery s positive terminal wire connected to it. The starter relay and the neutral lockout switch control the starting solenoid. If turn on the ignition switch there s a single or a series of weak clicks you will have to test. Here are warning signs that yours may be damaged.

Check the relay s coil terminals using a multimeter. Testing the starter solenoid electric ground. When you start your engine and release the key or stop pressing the starter button on a modern vehicle the circuit is supposed to close which will discontinue power to the starter motor. Find starter relay you suspect to be bad.

A bad starter relay on your ford vehicle will prevent the necessary electrical power from reaching the starter motor. This first test is designed just to see if the contactor is pushing up and completing the connection in the solenoid. Fortunately all ford models have a remote relay near the battery which makes it easy and convenient for troubleshooting. Open the hood and locate the solenoid the small cylinder on top of the starter motor.

This guide will. To check the relay whether it s good or faulty one we need to check the resistance of a coil in the relay there is a coil and that coil has some resistance using that resistance knowledge we can find that the relay is a good one or not. A remote type relay sits usually near the battery on the fender well and the red battery cable connects directly. Here is a quick video on how to test a starter and solenoid assembly using just a screwdriver jumper wires and a 12v battery.

The starter relay is designed to redirect power from the battery to the starter solenoid which then activates the starter to spin over the engine. You re just running current through it. The solenoid has two wires that normally connect to the starter button. Not the most scientific test.

If the starter stays on after the engine has ignited the main contacts in the starter relay have most likely welded together in the closed position. Starter relay test 1.