If the reading is higher, the solenoid is not working and needs to be replaced. If you get a clicking sound, look for a reading of less than 0.4 ohms. Step on the gas and listen for a clicking sound. Now try the same thing with the key on and the cart set to forward travel (not reverse). Once you’ve disconnected the cables safely – using your multimeter – use the voltmeter on the ohms setting and touch each large terminal with the probes with the key turned off. Doing this will ensure the vehicle will not run while testing the solenoid. When you do this, use electrical tape to seal the cable ends, so they won’t form a circuit by accidentally touching each other or connecting through a metal conductor inadvertently. The list is as follows:įirst rule here: when you test the starting system, first disconnect the cables that go to the larger solenoid terminals from the starter (gas) or controller (electric). If you’re a do-it-yourself-er (of course you are), here’s what you can do.īefore starting work, a couple of items/tools will be recommended prior to starting.
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How to test for a bad solenoid in your golf cart If not caught in time, the solenoid and the starter will both need replacement. This needs to be fixed right away if possible, because this causes continuous use of the starter. Secondly, the contacts could begin to wear out from overheating or exposure to high levels of current. The solenoid might not be getting enough electricity to do its work – which could be caused by loose connections, a weak battery or the coil wearing out. A failing solenoid will generally not click.
In normal operating conditions, the solenoid clicks on and off with the ignition switch. On an electric golf cart, the most common symptom is the solenoid is not delivering electricity to the controller when the vehicle’s ignition is turned on.
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On a gas golf cart, the most common symptom is the starter failing to engage – so the engine doesn’t turn over – while all you hear a series of very futile clicking sounds. Knowing that, when the solenoid starts failing, how do you know it and what’s going on? This might cause it to fail to retrieve the pinion gear.
Like any switch that relies on wiring, the solenoid could also just wear out due to overheating. (Starters are supposed to get the flywheel moving, then back out of position – disengage.) In addition, the spring that pulls the pinion back to its resting position could wear down leaving the starter engaged continuously. In a gas golf cart, the larger contacts could fail to release, which means the starter will be operating even if you turn the ignition switch to off. RELATED: 4 Signs you need to Replace your Golf Cart Batteries What are the symptoms of a bad solenoid on a golf cart? The solenoid is simply there to allow electricity to flow freely to the controller and motor which will result in a running golf cart. And it acts as a mechanical device that puts the starter pinion gear into position, so when the starter turns over it will be engaged with the flywheel just long enough for the engine to catch.įor an electric golf cart, it functions in the same way, however there is no starter.It acts as a switch that permits a large amounts of juice to go to the starter.So, in review, the solenoid does two things: Once the engine engages, a spring brings the pinion gear back to the starter, where it remains idle until you need to restart the engine at some point. The solenoid also sends a pinion gear forward, which is the device the starter uses to turn over the flywheel. The solenoid uses that small amount of juice to close two heavy-duty contacts that allows a large jolt of electricity to pass through the starter. When you turn the ignition key, a small amount of electricity goes to the solenoid.
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