The starter solenoid is a fairly simple mechanism that transmits electrical current from the battery to the starter. When you turn the key, the solenoid engages, using the electrical motor in the starter to get your engine running. If the solenoid is not functioning properly, the vehicle may not start. Determining whether the issue is the starter solenoid, the battery or the starter itself can save you time and money when repairing it yourself and seeking to have the repair work done. Start by locating the starter and work to narrow down the cause of the issue.
How to Check a Starter Solenoid or Remote Relay
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Ford Starter Solenoid Troubleshooting Replacement & Function
2. Using the electromagnetic force created when current flows through its windings to produce a mechanical movement. The movement drives the pinion, engaging it to the ring gear of the engine’s flywheel.
Rotating electrical parts such as starters and alternators often have to be replaced on older, high-mileage vehicles. Fuel injection has helped prolong the service life of starters by allowing engines to start more quickly when they are cranked. Such is not the case with alternators. Higher electrical demands on charging systems have increased alternator failures.
Starter Motor Faults
Finding the exact reason why your vehicle won’t start could be difficult for some people. But it is very beneficial to find the exact cause of the starter motor failing as soon as possible so a repair can be carried out and get you back on the road. People who only have limited knowledge of starter motors and the working of an engine, sometimes can jump to conclusions as to why their engine will not start. This can cause further damage to their vehicle or result in them purchasing replacement parts when it was not necessary to do so.
How Do I Tell If the Starter Solenoid Is Bad on My Kohler Riding Mower Engine?
Most large Kohler engines on riding lawn mowers use an electric starting system. Part of that system is a starter solenoid. The cylindrical solenoid is a low-amperage relay that safely completes the high-amperage electrical connection between the battery and starter motor when the ignition key is turned. A bad solenoid can deny electricity to the starter motor and prevent engine startup. But other basic problems may also exist.
It has been a long while since I replaced a starter on my own, never repaired a bad one. Nonetheless, there are many helpful videos on YouTube and Vimeo that won’t get you started in the wrong way.
How to diagnose between starter or solenoid as problem?
Sometimes mechanics will try to get a jump on diagnosis by turning the key to the crank position and listen for a clicking sound. Although this test does have its merits, you will need to perform further diagnosis before replacing any components. One thing the click noise test verifies is that power is flowing through the circuit. However, it’s possible for a starter relay to make a click sound yet fail to deliver current through the closed contacts.