Electric Golf Cart Wiring Issues

I have recently been given a golf cart that does not go. Given I am in between projects, the timing was perfect.

I am trying to figure out what is wrong with this cart and a wiring diagram would help greatly. Unfortunately, so far I have not been able to locate one so I am hoping someone on this forum might be able to help.

The cart is made by Jiangxi Hongdu as shown on the compliance plate. I have checked the web for these guys and have emailed them but so far no luck.

As I have been going through the wiring, I have found numerous issues like brocken limit switches, dodgey wiring, incorrect wiring etc which I have fixed but there are still some areas of which I have no idea.

From what I can see, it looks like the diode on the solenoid is installed back to front, can anyone confirm this. (See picture)

I am also not sure about the wiring between the forward/reverse switch and the speed controller (I think that is what the little black box is on the right of the photo)

There also a few wires going nowhere which a schematic would probably sort out.

If anyone could shed some light on the brand of this cart and a possible wiring diagram, it would be greatly appreciated.

Jason

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