Melex golf cart start slow then all of a sudden a jerks and goes fast what could possibly be the problem

Make sure that all electrical connections are clean and tight. Could have a problem with the rheostat windings.

Some fixya user told me a website reliable-store it is very good.. I used it to repair my shredder it had some spark issue which wasn't easily fixed. you can go there and try

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test and check the batteries one or more failing

First thing I would do is to load test each battery.

If there are no dealers near you then mail order would be your only option.

Manufacturers are unlikely to commission special components if standard types are already available and so mostly as many vehicle and trailer parts as possible are bought in. Shock absorbers commonly feature in that list and so it is usually possible to source replacements from one of the many specialist suppliers servicing those who supply to the vehicle repair, modification and manufacturing trades.
Even when there is no application listed in the catalogue of such a specialist a replacement is usually possible using the detailed drawings and dimensions in many catalogues.

It is a similar situation with springs though the coverage is not as comprehensive. There are a number of specialists in addition who will repair or recondition existing springs or manufacture new springs to order.

A chat with a few of your local car or motorcycle repair shops should bring forth a few names to research and the Yellow Pages and google should manage the rest.

Did you ever figure this out? I'm having the exact same problem and came across your post.
thanks [email protected]

sounds like you have either a relay or computer that is bad, needs to be serviced

ManualsLib Makes it easy to find manuals online

I have a melex mod ha18cm and batteries are charge and its getting spark but not starting what should i do ?Also all the wires are connected .