Need help with my controller to my e-bike how to identify wires. !!!

Joined
Mar 26, 2025
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Arizona
been really wanting to get an e-bike to keep me busy and pick up a new hobby!! Do I happen to buy

ANCHEER 20 inch folding ebike (Model AM001908 36V20" 250W) tbh it’s great just need some work with wiring so I open it up and find this controller and idk if even goes to the bike but it’s all I got so can someone please help me find the right wire diagram???!! Here’s the controller​

 

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If it's great does it mean it works already? A casual google of "Model AM001908" brings up the following thread about Ancheer. Is that the same bike? His bike used a different controller though.

By the way, no need to show the controller insides. It exposes the electronics to damage from handling (and static discharge in the dead of winter). The main info is on the case label,

Old thread, Poster had his bike confiscated by the NYC cops in the bad old days before ebikes went legal and crazy in the Big Apple,

 
been really wanting to get an e-bike to keep me busy and pick up a new hobby!! Do I happen to buy

ANCHEER 20 inch folding ebike (Model AM001908 36V20" 250W) tbh it’s great just need some work with wiring so I open it up and find this controller and idk if even goes to the bike but it’s all I got so can someone please help me find the right wire diagram???!! Here’s the controller​

What you've given us doesn't mean anything. We can normally figure out everything or certainly the main things, ,when you show us the connectors. Controllers like that don't normally go wrong, and everything that does go wrong can be tested from the outside. If your bike doesn't work, we can probably help if you describe the symptoms and how they started.
 
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