Golf Cart Battery Charger Problems
“My golf cart battery charger hums and clicks, but the needle isn’t moving at all. What is the most likely explanation for this type of behavior from my golf cart battery charger?” A golf cart user said.
There are several reasons why the unit may be acting this way. As such, there are a number of things to rule out in order to determine what the underlying problem is. Then we can fix that factor and resolve the entire issue.
First, check the needle gauge (the ammeter). This unit may be working perfectly, with the exception of a failing ammeter, so this is a good thing to isolate first. And the easiest way to determine if the ammeter is working correctly is to pass current through it using a voltmeter. Using a voltmeter will show whether the golf cart battery charger’s ammeter is working or not.
Next, if you’re having trouble getting your golf cart started and you think it’s related to the battery; let’s get a ‘battery reference voltage’ reading from your golf cart battery. This is the amount of voltage that is present in the golf cart battery when it is not under any load. For example, a 48-volt golf cart battery should have a reading of about 48 volts, and a 36-volt golf cart battery, a reading of 36 volts.
To take a battery reference voltage reading, make sure the battery charger is unplugged from the golf cart, and that the key is turned off. Then touch the positive probe of your voltmeter to the main positive (+) terminal, and the negative voltmeter probe to the main negative (-) terminal of the golf cart battery.
If the battery reference voltage reading increases significantly this means the charger is good and the ammeter is not functioning correctly. If the battery reference voltage reading does not increase this means there is a problem with the golf cart battery charger itself.
Source: www.leoch.com
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