Motor does'nt work forward???

[SkidMan]

I putt a new motor on my car and after that my motor never go forward..only backward....my steering and my light work.....i take another motor with the same result.......where is the trouble...i didn't make contact with my antenna on my wiring or another source of power.

[rice boi]

did you clean yo car? or is it new ?well clean it or make the axle thing in the middlebe inside the gear dat u change ed in the back and spin tire till it is in

[Brickmodder]

Originally Posted by SkidMan

I putt a new motor on my car and after that my motor never go forward..only backward....my steering and my light work.....i take another motor with the same result.......where is the trouble...i didn't make contact with my antenna on my wiring or another source of power.

Take you motor out of your car but leave it plugged in to the motor plug.
Now turn on your xmod like your gonna drive it and throttle it backwards and forwards. Does the motor spin both ways?

If the answer is yes, you have a mechanical problem with your drivetrain.
If the answer is no, you have an electronics problem.

[SkidMan]

If the answer is yes, you have a mechanical problem with your drivetrain.
If the answer is no, you have an electronics problem.

I test my motor and he didn't spin both way...only backward......this is a electronic trouble......what i can do to resolve this trouble...and why this trouble appear????I didn't do anything that can cause this trouble??I just remove one motor to put another!!!

[skylinedriver]

Originally Posted by SkidMan

I putt a new motor on my car and after that my motor never go forward..only backward....my steering and my light work.....i take another motor with the same result.......where is the trouble...i didn't make contact with my antenna on my wiring or another source of power.

this happened to me...it's the forward FET. one of the legs fried...either replace the main board or pay someone to stack new FETs.

[SkidMan]

this happened to me...it's the forward FET. one of the legs fried...either replace the main board or pay someone to stack new FETs.

Welse.....where is this fet. lithium-ion with stock car is not good????I read 2 week on the internet before a buy my lithium kit and anybody saw that he had no trouble to run li-ion with stock car??why??

[jpringlephoto]

If you cannot or are unable to resolder a new set of FETs, then reverse the switch on your controller to press for forward...or if that does not work, reverse the leads on the motor.
In any event, I suggest getting both FETs in new with the higher capacity ones.

[SkidMan]

If a buy a V2 Power Board Installation....my problem is resolve or i had to remove the fet that is fried on my original mainboard???

[skylinedriver]

no, running li-ions w/stock board is fine, there was just a defect with the FET. the bad FET would have to be replaced for the V2 to work.

[SkidMan]

ok thanks.......wher i can find a new board to replace my fried board...i don't want to resolder the fet.....and with my new board can i have the same trouble with my fet or it's a badluck???

[skylinedriver]

Radio Shack and try ordering part no. 12414207. I believe that is the main board. that should take care of your problem. remember to clean between the chassis and the main board...running it inside or out you run the chance of picking upi a small sliver of metal (which probably happened 2 us) and shorting a FET. when you get the new board cover the FETs with s thin coat of clear silicone sealent. that should keep dirt and moisture away.

[SkidMan]

Ok thanks a lot...but after i install my new board can i putt my lithium on it or i have a chance of break them again??And with my li-ion i broke 2 motor after overheating,with my new board i have a chance of break them again!!!!!

[shockmatic]

the lithiums didnt cause your problem, you had a defective fet to begin with. i have 3 xmods with lithiums, they all work fine. actually i wish i had a dyno to put them on. they go pretty **** fast. i race them against miniz's at and they pull their wieght.

[SkidMan]

Originally Posted by shockmatic

the lithiums didnt cause your problem, you had a defective fet to begin with. i have 3 xmods with lithiums, they all work fine. actually i wish i had a dyno to put them on. they go pretty **** fast. i race them against miniz's at and they pull their wieght.

You had 3 xmod with lithium and no motor overheating or mainboard trouble!!!I am happy to hear that....... And all your car is stock?

[shockmatic]

stock electronics, yes.

the only problem ive had is when i accidentally touched the antenna wire to one of the batteries.

otherwise no problems

[gibson_192003]

how much is the main board????

[SkidMan]

A found a complete electronic kit on ebay for 20.00$$Us........

[SkidMan]

I receive my new elctronic kit from ebay.....i putt it in my car and all work very well.....few day after my car does'nt go forward...another fet is fried?????Where is the problem with my car and my li-ion cell????