7 Reasons a SCAG Zero Turn Won’t Turn Over or Crank

You could hear a clicking sound or a humming sound when you try to start your zero-turn, but the engine won’t turn over. This is often the result of the starting motor not receiving the necessary amount of power to turn the engine over. A SCAG zero-turn will not turn over or crank. A SCAG zero-turn vehicle will not turn over or crank if the battery is weak, the wiring and components are loose or corroded, the fuse is blown, the ignition switch is faulty, the safety switch is faulty, the starter solenoid is faulty, or the starter motor is faulty. Additionally, if the battery is weak, the wiring and components may be loose or corroded. Other potential causes include a blown fuse, loose or corroded wiring and components, a blown fuse, a faulty safety switch, a faulty starter solenoid,

Before performing any changes to the electrical system, you should always disconnect the black negative battery wire. When dealing with the electrical system, it is imperative that you take all necessary safety steps to avoid being hurt.

What Could Be Causing Your SCAG Zero Turn Mower to Refuse to Start

Your SCAG zero-turn vehicle’s battery may be dead or faulty.

If the battery on your SCAG zero-turn vehicle is dead, you won’t have the electricity necessary to start it. To ensure that your battery lasts as long as possible, it is important to keep it charged at all times, particularly when it is being stored.

Conduct a test on your battery by following the instructions provided in the article titled “5 Things That Are Draining the Life of Your Lawn Mower Battery.”

Charging a Battery To charge a 12-volt battery, you will need to make use of a battery charger. Put on some protection clothing to shield your eyes and skin from any potential electrical shocks before you begin. In order to charge the battery of your lawn mower using a charger, follow these steps:

  • Gain access to the battery as well as the terminals. To expose the battery, you may want the assistance of a screwdriver. Take care not to take the battery out of its housing.
  • Connect the charging cables, starting with the positive connection and working your way around the other cables. This is the cable that is either red in color or marked with a plus symbol. Connect the cable to the connector on the positive side of the battery.
  • Put the negative end of the cable into the negative terminal on the battery. This is the cable that is either black in color or marked with a negative sign.
  • In order to avoid becoming electrocuted, you should avoid touching anything that does not have a rubber covering.
  • Adjust the voltage and amperage levels on the charger so that they are at the required levels. Batteries for lawn mowers typically have a voltage level of 12 volts, however this might vary. A higher amperage results in a quicker battery charge. Begin with only two campers and gradually increase to no more than ten amps. The best kind of charge is a gradual one.

If the battery is unable to maintain its charge, it will need to be replaced with a brand-new one. You may get a replacement battery from the dealership that sells lawn mowers in your area, at a hardware shop, or at an auto parts store.

Bring the old battery that you had been using with you. If you do not bring in your old battery when you purchase a new one, the vast majority of businesses will charge you a core fee.

Wires and Connections That Are Loose or Missing in Your SCAG Zero Turn

The vibration of the SCAG mower has the potential to cause the wiring and other electrical components to get dislodged. Examine these things and make sure that they are fastened well and securely by checking their connections.

Examine the components to see whether they have developed any corrosion as a result of the presence of moisture. Corrosion has the potential to disrupt continuity and must be eliminated.

Before cleaning the components, remove the battery cables as a first step. After that, get rid of the corrosion by brushing it away with a wire brush and a baking soda solution (2 cups water to 3 heaping tablespoons of baking soda).

If you are unable to get the terminals or any of the other components clean, you will need to replace them.

Having Trouble with the Fuse of Your SCAG Zero Turn?

A fuse will be installed in order to provide protection for the electrical system that is used by SCAG. Conduct a comprehensive check on your mower to ensure that it does not have a fuse that has blown and that the check is successful. If you are unsure as to whether or not the fuse has blown, you may check it by placing the probe of a multimeter on each of the prongs of the fuse and measuring the resistance in this manner. This can be done if you are unsure as to whether or not the fuse has blown.

A resistance level that is close to 0 indicates that your fuse is in excellent condition. A value of infinity for the resistance indicates that the fuse is blown.

A blown fuse should be replaced with a fuse that has the same amperage as the fuse it is replacing. If you continue to have blown fuses, you should take your SCAG to the dealership where you purchased your lawn mower or to a lawn mower repair shop so that the problem may be investigated further.

Having Issues with the Ignition Switch on Your SCAG Zero Turn?

If you insert the key and spin it, but nothing occurs, the problem may lie with the switch that controls the ignition key. It will not be possible for your SCAG to flip over and start.

In order to verify whether the ignition switch is the source of the issue, use a multimeter to check the continuity of the switch. In order to do this, locate the prongs that are marked with the letters B for Battery and S for Starter Solenoid.

Put the key in the slot, and then spin it until it’s in the “start” position. A measurement of resistance may be obtained by touching one probe to the B prong of the multimeter and the second probe to the S prong.

A reliable ignition key switch will have a resistance reading that is close to 0. A faulty ignition key switch will have a resistance reading of infinite, which indicates that it needs to be replaced.

Having Trouble with the Safety Switch on Your SCAG Zero Turn

In order to ensure your safety, your SCAG was outfitted with an operator presence control system. It’s possible that a faulty safety switch is what’s preventing your SCAG from turning over.

Make that your switch is working properly by using a multimeter. You may also temporarily bypass the safety switch in order to determine whether or not the switch is faulty. However, this should only be done for the purpose of troubleshooting.

Never attempt to use a mower if the safety switch is missing.

Never use a mower with a safety switch that has been removed or bypassed. You never know when you’re going to need a safety switch, but having one may reduce the likelihood that you’ll suffer a major accident.

Bad Starter Solenoid in Your SCAG Zero Turn

A starter solenoid is an electromagnetic switch that, when engaged, initiates the starter motor to turn over your SCAG engine.

The starter solenoid can go bad when the spring becomes weak or the copper plate begins to corrode. A weak starter, bad battery, or bad ground can also cause the solenoid to fail.

Before you test your starter solenoid, you must have a fully charged battery. Continue testing the solenoid by using the steps to diagnose a bad starter solenoid in How to Tell Your Lawn Mower Solenoid is Bad.

Bad Starter Motor on Your SCAG Zero Turn

When you have determined that the problem is not with the battery, the cables, the wiring, the ground, or the starting solenoid, it is time to check at the starter on your SCAG. It is possible to remove the starter and put it through its paces.

Before you go out and buy an expensive new starting for your SCAG mower, I would first suggest taking it into a nearby repair shop that specializes in beginning and alternator repairs to have it inspected and, if necessary, reconstructed.

Is Your SCAG Lawn Mower Continuing to Give You Trouble?

If you have a lawn mower for a long period of time, you may eventually have problems with it, such as it failing to start, not continuing to run, smoking, leaking gas, providing an uneven cut, vibrating, or another problem.

In an attempt to help you save both time and money, I have produced a guide that will aid you in determining the cause of any problems that may occur with the SCAG mower that you own and finding a solution to those problems. This guide can be found here.

On the Common SCAG Lawn Mower Problems & Solutions page, you may find a lesson similar to this one.

If you are unsure how to properly perform diagnostics and repairs on your SCAG lawn mower, it is best to have a professional make the repairs rather than attempting to do them yourself. If you are unsure how to properly perform diagnostics and repairs on your SCAG lawn mower, it is best to have a professional make them.

You will decrease the likelihood of harming yourself or causing more damage to the mower if you take these precautions. Your local SCAG lawn mower dealership or lawn mower repair service will be able to help you discover a solution to the problem that you are experiencing. They will be able to aid you in finding a solution.