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I hooked up the stock set up... still dead. I didn't see anything, but maybe caught a whiff or faint order. No heat at any location, wires, controller, motor. I was switching one wire at a time when this happened. Now, on stock (addmotor stock) set up, When I throttle, I see a surge in watts...

Bad news, motor is completely dead. Suddenly while testing, changing sensor clips, NOTHING. I reconnected old setup, motor dead. So much for an easy job. I believe I need a new motor.

Yes, motor working, seems pretty normal sounding. I've got a pretty good idea on how to set the parameters, especially P1, P2. I watched a half hour video on it, and I posted the link on page seven of this thread. He really concentrated on Bafang 750, and showed both the LCD 3 and 8H, I have the...

@AHicks NEW throttle is engaging the motor when depressed, but nothing shows on display (not watts or mph). The only thing that reads on the display is the temp and battery voltage. The head lamp icon shows when I turn it on, but no actual power to light. The battery gauge shows number...

I'm talking about ALL NEW components. New controller, harness, light, throttle, only old is PA.

What would explain the throttle working, but pretty much nothing else, in the current test phase (arrows off)? Are the phase wires correct, while sensor wires are not lined up in the connector with the arrows eschew? You mentioned something about alligator clips to test this, do you recommend...

Very strange and a bit discouraging. I pulled motor plug, turned throttle, no error. Using a multimeter, I determined that this is the current way the plugs are wired on extension cable (see pic). Perfect mirror image. Not sure how to do this for the motor plug, or current controller plug. I...

Yes, when plugged into itself, the arrows on the extension cable line up.

9 Pin motor cable arrived from ebike world. It fits the motor perfectly, and the new controller just like the original (arrows at about 30 degrees off). Throttle works. I can use this cable inside my new controller. Before I attempt this splice job, any tips...

I figured the old display wasn't compatible with the KT (error 30 said *maintenance*). I have changed P2 settings from 0 to 6, and in everything between. So it's not the P2 # exclusively. The LCD3 you have is the exact same thing as the LCD8H, except a better interface (according to video)...

@harryS That connector IS an extension, yes. BIG NEWS Okay, connected!!! - with arrows at about 30 degrees off, added battery, and the throttle works! Seems like RPM is higher (judging by sound) No error message, but also no MPH or PAS (currently hooked up to old PAS, haven't installed new...

Here's another shot of the 9 pin connector coming FROM the motor, obviously male. Good news on speed sensor.

If I had the right connector, I'd attempt this ASAP. I have one on the way - potentially (but could be the same thing). The only sticking point is having to disable the OLD controller to salvage the connector. I'd like to do a dry run without disabling anything. I'm still unsure about the speed...

Arrows on a connector s don't line up when it appears pins do. I was at this for a while I wonder if the 25 amp controller, which mentioned 750 watt fat bike, is slightly different, and would work.

I was going to follow @harryS recommendation to splice in the box, not on the board. I have to believe the notches do not line up, as I cannot get to 2 motor connectors to *plug in*. I cleared it up as best I could...

Just to mention, my motor cable is about 8 inches long. There is an approximate 2 foot extension cable from the motor cable to the controller. That gives me an extra connector. The big risk here is separating the connector from the cable on OLD controller and not being able to get the NEW...

No worries, this is a learning experience, and I do have a multimeter now. I can solder, usually working with 18 gauge wire and circuit boards. I am also beginning to wrap my head around the entire process, and what's needed. Working with these connectors is new, but I will master it. If I had...

I've learned a lot, and for that I'm forever grateful, but sadly still no actual upgrades - except the 52 volt battery giving me about 2 or 3 mph, (maybe up to 4 fully charged). There seems to be issue after issue due to my lack of experience and Addmotor's selection of proprietary parts /...

I was looking for a better charger on Luna Cycle and found this - Julet 3 pin to 2 pin converter. Now it's a waiting game for all cables to arrive. The only soldering I'll need to do is swap out the xt60 connector on the battery cradle...

I figured as much. I took a look at the PSA cable. Connectors match, but too cable too short on new controller. I picked up this extension cable that should work. https://www.amazon.com/gp/product/B07KK9KKSP/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Voltimeter arriving tomorrow, and...