I found a connector under the passenger left seat not being used. It has purple and blue wire. I am having trouble finding any colored wired diagrams or insulation on how to connect the plate light. Can this connector be for the plate light? I have a 2024 Kandi Kruiser 6P.
Test what voltage it has and when it’s active. You’ll need a multimeter (which everyone should have). If it has no voltage, try turning the lights on. Basic electrical troubleshooting. 
Okay, that connector has low voltage, not enough to light up the plate LED. I contacted Kandi, and they clued me in that the connection should be by the left rear tire next to the shock. They also suggested purchasing the “M1204L-4002110 License Plate Extension Cable ((LSV Cable)”. The item is listed for sixty-three dollars. There are no images of this item. I like to know what I am buying and how it is going to work. And now I am not getting any more info from Kandi. It can’t be that bad in giving some novice data to do their DYI so that they won’t screw it up.
If you can find the connector built for this purpose, all the better. $63 seems a LOT high for what should be included, but maybe there’s more to it than I expect.
If you want to use the “low voltage” connector, it could certainly be done. Typically license plate lights are low lumens anyway. I don’t know what voltage it is, but LEDs can run off nearly any voltage. I’m not sure why Kandi would have gone through the trouble of installing a transformer to drop 12v battery voltage down to something lower (like 5v?). If you asked Kandi and they stated it’s “low voltage”, they are likely just distinguishing between accessory voltage (12v) and traction pack voltage (72v).
Kandi support leaves a lot to be desired. I am currently fighting an issue (quite unnecessarily I might say) with support. I’m not going to share details until it’s resolved, but it should be a VERY simple request and they’ve been unable to grasp that.
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