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Old 07-21-2019, 10:00 AM   #1
Quarry Creeper
 
Join Date: Dec 2013
Location: NoVa
Posts: 241
Default My trick RC controller questions

I have a Team Associated LED set installed on my trx4. After a couple months, the controller box started to act stupid. Random flashing lights, no more mode adjustability.
So I bought a MyTrickRC U7 light controller to use with the existing LEDs. It was the only one I could find that used the same tiny plugs to connect the LEDs. I cannot get anything to light up. I have tried the 9v battery and connected to the bec. The controller shows it is on and flashes thru all the mode settings but no LEDs come on.
Any ideas ? I'd rather not rip out all the LEDs.

PS, MyTrickRC does not respond to support emails.

Last edited by chipgibbs; 07-22-2019 at 05:07 AM.
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Old 07-21-2019, 10:20 AM   #2
Pebble Pounder
 
Join Date: May 2019
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Default Re: My truck RC controller questions

I'm no electrical guru. But my first thought is that your LEDs want (for example) 5 volts and the controller is only giving 3 volts. Maybe check output voltage of both controllers?
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Old 07-21-2019, 10:22 AM   #3
Quarry Creeper
 
Join Date: Apr 2018
Location: US
Posts: 364
Default Re: My truck RC controller questions

Quote:
Originally Posted by chipgibbs View Post
I have a Team Associated LED set installed on my trx4. After a couple months, the controller box started to act stupid. Random flashing lights, no more mode adjustability.

So I bought a MyTrickRC U7 light controller to use with the existing LEDs. It was the only one I could find that used the same tiny plugs to connect the LEDs. I cannot get anything to light up. I have tried the 9v battery and connected to the bec. The controller shows it is on and flashes thru all the mode settings but no LEDs come on.

Any ideas ? I'd rather not rip out all the LEDs.



PS, MyTrickRC does not respond to support emails.
I'm going to bet that the lights were only rated for 6v, and your new controller gave them too much voltage.
Otherwise I'm not sure without seeing them.

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Old 07-21-2019, 10:24 AM   #4
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Join Date: Apr 2018
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Default Re: My truck RC controller questions

Quote:
Originally Posted by vf750rider View Post
I'm no electrical guru. But my first thought is that your LEDs want (for example) 5 volts and the controller is only giving 3 volts. Maybe check output voltage of both controllers?
Could also be this, not enough voltage can do the same thing.
Test what the new controller gives for voltage.

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Old 07-21-2019, 10:59 AM   #5
I wanna be Dave
 
Join Date: Jan 2016
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Default Re: My truck RC controller questions

or the positive and negitive leads could be backwards from one brand to the other
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Old 07-25-2019, 01:18 AM   #6
I wanna be Dave
 
Join Date: Feb 2017
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Posts: 2,128
Default Re: My trick RC controller questions

I don't think the uf-7 has a 12v output so probably did not over volt the leds. I would check polarity. read instructions if you can find them as well. you can probably pop them out of the plug with a razor knife and swap them.
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