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Hey, I have put 4 batteries, NITECORE.Howdy!
About how many batteries have you run thru your truck?
It kind of sounds like the motor may have burned out. Now when you use the throttle, the dead motor acts like a short circuit, and shuts down the ESC. Solution would be a new motor.
If you can give more details, we can provide more help.
Jerry
You have 4 batteries, or 4 runs?
If you have only run the truck 4 times, that is pretty quick to burn out the motor. Not unheard of, though. What surface type do you normally run on? Pavement? Grass? Packed dirt? Loose Dirt? Power Sand?
A few things to check the motor - Power car on, roll the car with your hand and give medium throttle. Does the motor start to run? If yes, bad motor.
Remove the motor, and spin it by hand. You should feel the magnate poles, but otherwise it should be smooth - no crunch / grind. Also, look inside the motor - the wiring should be shiny / orangeish. If it is black, it is bad. Smell it. Does it smell burnt?
Last - replace the motor. They are not too much money, and if the old motor is good, then now you have a spare. Spare brushed motors are good, as brushed motors normally do not have a long life. Run them under high loads (grass) or get them too dirty, and they can die in a few runs. Treat them right, follow all the rules, and they may last a several dozen runs.
I think he is trying to using 18650 Li-ion cells, so the ESC should not be in Nimh mode. But, (reviewing the manual) there is a separate mode on the ESC for Li-ion. I didn't see that one till now. Check the manual I linked above, page 8. The jumper on the ESC for run mode needs to be in the middle for Li-ion.Make sure the jumper pin on the esc is set to NiMH mode and not Lipo mode. If you aren't using lipos and it's in lipo mode on the esc just shuts off immediately or after a few seconds.
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