China Solenoid

Starter solenoids are electrical devices that act as electronic switches. On lawn mowers, solenoids are part of the electrical system related to the electric starter. As the key is turned, it sends an electrical current through the wiring, which activates the solenoid. The solenoid parts then react to the current by switching to complete the circuit causing the starter motor to engage. If the starter solenoid fails, the lawn mower engine will not start. While replacing a solenoid may sound like a complicated task, anyone with the proper tools can complete the job.

A starter solenoid operates to transfer the large amount of power within the vehicle's battery to the vehicle's starter motor. Within the solenoid are two large metal contacts. When the ignition key is turned to activate the starter, these two contacts come together, thereby transferring the current from the battery to the starter. Starter solenoids are relatively easy to test, but it is important to first ensure that the battery is in good working condition.

Most vehicles use a starter-mounted solenoid that functions as a high power switch to connect the starter drive pinion gear with the flywheel to start the engine. Most on-starter solenoids are easy to wire as you mount the starter on the engine. Other solenoids--mostly on Fords--are remote mounted. These solenoids are located in the engine compartment close to the battery, which makes it much easier to wire. Whether you have an on-starter or remote-type solenoid, follow these steps to wire the unit in a matter of minutes.