How to Install a Solenoid on a Craftsman Lawn Tractor

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Be sure to disconnect the Craftsman's battery for your safety.
Be sure to disconnect the Craftsman's battery for your safety. (Image: Comstock/Comstock/Getty Images)

The Craftsman lawn tractor is a riding lawn mower that features a Briggs and Stratton engine assembly. These tractor mowers can suffer from a number of problems that affect its ability to run properly, and a malfunctioning solenoid that requires replacement is a common culprit. A lawn mower's solenoid converts electricity from the battery when you crank the engine, and is critical to starting the engine when you turn the ignition. Fortunately, you can replace your old solenoid with a new one on your Craftsman lawn tractor regardless of your previous experience with replacing solenoids.

Things You'll Need

  • Socket wrench
  • Knife
  • Replacement solenoid

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Open the front engine hood of your Craftsman lawn tractor and look at the battery. Disconnect the red "positive" and black battery cables from the battery using a socket wrench. This is for your own safety.

Locate the solenoid on the engine's frame between the battery and the starter. The red positive battery wire also connects to the solenoid. Turn the bolts counterclockwise with your socket wrench to remove the battery wire. Remove the wire on the opposite side of the solenoid in the same manner.

Remove the wire harness from the solenoid. This is made up of a number of smaller wires. Lift up on the retainer clip holding the wires in place using a knife, then pull the wires up and out.

Remove the four bolts holding the solenoid to the frame of the engine using your socket wrench. Pull out the solenoid.

Put the replacement solenoid into the machine where the old solenoid was located. Visit your local lawn care store or contact Craftsman to obtain the correct solenoid for your Craftsman mower model. Make sure you have your model number on hand when doing this.

Connect both the wires back onto the solenoid's bolts on either side of the part using your socket wrench.

Place the wiring harness back onto the solenoid and ensure it makes contact with the Craftsman solenoid's metal electrical connectors.

Reconnect the red positive and black negative battery cables to the Craftsman lawn tractor's battery. Shut the engine hood.

References

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