Golf cart won't start? Work through this

An electric cart that won't start feels like a big problem, but most of the time it is a small one wearing a big disguise. The same handful of causes come up again and again: a switch left in the wrong position, a pack that is flatter than it looks, a charger still plugged in, or a connection that has worked loose. This guide runs the 60-second checks first, because they solve the majority of cases, then works through the battery, solenoid and controller in order, and is clear about the point where an engineer should take over. The same logic applies whether you call it a cart or, as the Americans do, a golf cart.

The 60-second checks

Before you suspect anything expensive, rule out the controls. These take a minute and cost nothing.

• Key fully turned to ON, not resting between positions.
• Run/tow switch (usually under the seat) set to RUN. In TOW the cart is deliberately dead, and this is the single most common cause we see.
• Charger unplugged. Most modern golf carts lock out the drive while charging.
• Parking brake released and the forward/reverse selector firmly in gear, not sitting in a mid position.
• Battery charge. Plug the charger in for 30 to 60 minutes and look for its charging light; a very flat pack can take a minute to wake a smart charger.

Lights work but it won't drive

Lights and the display draw very little current, so a tired or partly flat pack can happily run them while having nothing left for the motor. If everything lights up but the cart will not move, charge fully and re-test before chasing anything else. If it still will not drive on a full charge, the fault sits further down the chain: the pedal switch, the solenoid, or the connections between the pack and the motor. Our guide to common golf cart faults explains why so many symptoms trace back to the battery and its connections.

It clicks but doesn't move

Listen carefully when you press the pedal. A single click from under the seat means the solenoid, the relay that connects the pack to the motor, is trying to do its job, but power is not getting through: usually a worn solenoid contact, a very low pack, or a poor connection. No click at all points earlier in the chain, to the pedal switch, the key switch or the selector. Noting which you hear is genuinely useful; it tells an engineer where to start before they arrive. Do not be tempted to bridge or bypass the solenoid; it exists to disconnect the pack safely.

It starts sometimes

Intermittent starting is almost always a connection problem: a terminal that has worked loose, corrosion building resistance, or a switch wearing out. With everything switched off and the key out, look over the battery terminals for dirt, looseness or the white and green fur of corrosion. Light surface dirt can be wiped away, but never undo high-current cables yourself. A cart that starts on some days and not others should be checked before it becomes a cart that cuts out while driving, which is the same fault in a more dangerous place.

It won't start after winter

A cart that went into the shed running and came out dead has usually just gone flat over the layup. Packs self-discharge while standing, lead-acid faster than lithium, and a deeply flat pack may be below the level at which a smart charger will engage, while a lithium pack's protection system may have switched itself off. Leave the charger connected for a few hours before concluding anything. Our guide to a cart not holding charge after winter covers the recovery steps in full.

When to call an engineer

Stop at the point the checks run out. If the cart still will not start after charging, if a main fuse or breaker trips a second time, or if you can hear the solenoid clicking without any drive, the fault is in the solenoid, controller or wiring, and that is engineer territory. Repeatedly resetting a tripping breaker risks damaging the very components you are trying to save. Switch off, remove the key, and book a visit.