RCCrawler Forums

rockraper · 02-28-2005, 10:47 PM

i wired up my new clod today. but i cant get my 3rd channel to work!!! damn-it!!!!
the guys at my local hobby shop said that my reciever might have been fryed but i just barley receved that remote and reciever that same day.... so i bought a new reciever and hooked it up and nothing .. then i thought it may be the switch, so i went to radio shack and bought a new swich and wired it up with compasators and everything and there is nothing .. can anyone help?

by the way i am running a SR, and (2) 5995tg's thanks for your time

MANTIS · 03-01-2005, 12:38 PM

I work on TQ3's quite a bit.
Is it the older or newer TQ3? Newer has a green circuit board on the thumb switch and the older has just metal posts.
What does the servo do? Go to nuetral, or swing hard left/right, or nothing (acts like off)?
I would think that if the servo is going to nuetral or swinging hard it is the radio. But if the servo is just acting like it's off, it is the servo or the RX.
Let me know and I can help you more.

Mnster · 03-01-2005, 12:49 PM

1. Plug in a different servo to make sure its not your servo.
2. Bust out the multimeter and test the switch.
3. Make sure the wires are soldered in the correct places on the switch.
4. Make sure that you bought the correct switch.

skid · 03-01-2005, 02:01 PM

I had similar problems. I turned down the endpoint adjustment on my controller to make my 5995 work. I don't think the tq3 has this adjustment. A non-digital servo may be the answer. Try the servo in the first ch to make sure it isn't the servo.

MANTIS · 03-01-2005, 02:43 PM

I remebered a similar problem I had with a TQ3. It was a dirty servo reversing switch. This is only a problem on the older type, as the newer ones are wired better. But if the old switched get dirty, the switch wont get any power to it. Just flip your reversing switch back and forth several times. This may do the trick.
I have seen MacGyver do the same thing to his Radio.

rockraper · 03-01-2005, 11:46 PM

today i plugged in a crap servo that i had laying around into my 3rd channel and it worked just fine... but when i plug in my 5995tg nothing happens. it joesnt respond to anything.. but in my 1st channel it works just fine.
thanks for your help !

rockraper · 03-03-2005, 09:23 PM

.....bump......

CrawlinForLife · 03-07-2005, 03:36 PM

then you can't use that servo with the 3rd channel. Digitals can be picky.

02-28-2005, 10:47 PM	#1
rockraper Pebble Pounder Join Date: Jul 2004 Location: SOJO Posts: 148	TQ3 3ch problem i wired up my new clod today. but i cant get my 3rd channel to work!!! damn-it!!!! the guys at my local hobby shop said that my reciever might have been fryed but i just barley receved that remote and reciever that same day.... so i bought a new reciever and hooked it up and nothing .. then i thought it may be the switch, so i went to radio shack and bought a new swich and wired it up with compasators and everything and there is nothing .. can anyone help? by the way i am running a SR, and (2) 5995tg's thanks for your time

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03-01-2005, 12:38 PM	#2
MANTIS Newbie Join Date: Dec 2004 Location: Logan Posts: 49	I work on TQ3's quite a bit. Is it the older or newer TQ3? Newer has a green circuit board on the thumb switch and the older has just metal posts. What does the servo do? Go to nuetral, or swing hard left/right, or nothing (acts like off)? I would think that if the servo is going to nuetral or swinging hard it is the radio. But if the servo is just acting like it's off, it is the servo or the RX. Let me know and I can help you more.

03-01-2005, 12:49 PM	#3
Mnster MWRCA'er Join Date: Apr 2004 Location: Machesney Park IL Posts: 3,995	1. Plug in a different servo to make sure its not your servo. 2. Bust out the multimeter and test the switch. 3. Make sure the wires are soldered in the correct places on the switch. 4. Make sure that you bought the correct switch.

03-01-2005, 02:01 PM	#4
skid Rock Crawler Join Date: Nov 2004 Location: in a basement in Kalispell, MT Posts: 857	I had similar problems. I turned down the endpoint adjustment on my controller to make my 5995 work. I don't think the tq3 has this adjustment. A non-digital servo may be the answer. Try the servo in the first ch to make sure it isn't the servo.

03-01-2005, 02:43 PM	#5
MANTIS Newbie Join Date: Dec 2004 Location: Logan Posts: 49	I remebered a similar problem I had with a TQ3. It was a dirty servo reversing switch. This is only a problem on the older type, as the newer ones are wired better. But if the old switched get dirty, the switch wont get any power to it. Just flip your reversing switch back and forth several times. This may do the trick. I have seen MacGyver do the same thing to his Radio.

03-01-2005, 11:46 PM	#6
rockraper Pebble Pounder Join Date: Jul 2004 Location: SOJO Posts: 148	today i plugged in a crap servo that i had laying around into my 3rd channel and it worked just fine... but when i plug in my 5995tg nothing happens. it joesnt respond to anything.. but in my 1st channel it works just fine. thanks for your help !

03-03-2005, 09:23 PM	#7
rockraper Pebble Pounder Join Date: Jul 2004 Location: SOJO Posts: 148	.....bump......

03-07-2005, 03:36 PM	#8
CrawlinForLife Quarry Creeper Join Date: Sep 2004 Location: Michigan Posts: 240	then you can't use that servo with the 3rd channel. Digitals can be picky.

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Thread: TQ3 3ch problem