Page 1
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step
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Be sure to mount the GTX where its power wires are away from
other electronics, and will not interfere with any moving parts
Mount GTX to the vehicle’s chassis with the included double-sided
•
tape
•
Mount Power Capacitor to chassis with double-sided tape or tie-wrap.
If Power Cap. becomes dented/damaged, ESC failure can occur--replace
immediately. Longer Power Capacitor wires decrease performance.
• You can use one of the included C-shaped plastic clips to secure
the ON/OFF switch to the side of the GTX’s black 5-pin power
switch/input harness plastic facing either forward or back
Position switch against connector & slide clip over flange on switch.
FIGURE 8
C-shaped clip holding
switch on black 5-pin
input harness plastic
Electronics mounted
with double-sided tape
• Be sure receiver & antenna are mounted as far from ESC, power
wires, battery, and servo as possible--these components all emit
RF noise when throttle is being applied. On graphite or aluminum
chassis vehicles, it may help to place receiver on edge with crystal
& antenna as far above chassis as possible.
Note: Mount antenna as close to receiver as possible--trail any excess wire off top
of antenna mast (cutting or coiling excess antenna wire will reduce radio range).
step step
step
step step
For proper ESC operation, adjust transmitter as follows:
A. Set HIGH ATV or EPA to maximum setting.
[amount of throw at full throttle]
B. Set LOW ATV, EPA, or ATL to maximum setting.
[amount of throw at full brakes]
C. Set EXPONENTIAL to zero setting. [throttle channel linearity]
D.
Set THROTTLE CHANNEL REV. SWITCH to either position.
E. Set THROTTLE CHANNEL TRIM to middle setting.
[adjusts neutral position/increases or decreases coast brakes]
F. Set ELECTRONIC TRIGGER THROW ADJUSTMENT to 70%
throttle and 30% brake throw (or 7:3).
[adjusts trigger throw electronic/digital pistol-grip transmitters]
G. Set MECHANICAL TRIGGER THROW ADJUSTMENT to position
with 2/3 throttle and 1/3 brake throw.
[adjusts trigger throw on mechanical/analog pistol-grip transmitters]
step step
step
step step
With GTX connected to (at least) a receiver & a charged battery pack:
1. TURN ON THE TRANSMITTER’S POWER
PRESS & HOLD GTX’S ONE-TOUCH/SET BUTTON
2.
3. TURN ON THE SPEED CONTROL’S POWER
With transmitter throttle at neutral, and still pressing the SET button,
slide the GTX’s ON/OFF switch to ON position.
4.
CONTINUE HOLDING SET BUTTON UNTIL RED LED COMES ON
5. RELEASE GTX’S SET BUTTON AS SOON AS LED TURNS RED
6. PULL TRANSMITTER THROTTLE TO FULL-ON POSITION
Hold it there until the green status LED turns solid green.
Note: Motor will not run during programming even if connected.
7. PUSH TRANSMITTER THROTTLE TO FULL-BRAKES
Hold it there until the green status LED blinks green.
8. RETURN TRANSMITTER THROTTLE TO NEUTRAL
Red status LED will turn solid red, indicating that throttle is at neutral,
and proper programming has been completed--you’re done.
NOTE: If transmitter setting are changed, programming must be repeated. If
44
4
–MOUNTiNG ESC
44
(use two layers of other double-sided tapes for adequate damping)
(see below)
Power Capacitor
tie-wrapped to chassis
clip
55
5
–transmitter adjustments
55
66
6
–
one-touch programming
66
you experience any problems, turn off ESC and repeat programming.
ON/OFF
held with
.
.
switch
C-clip
trouble-shooting guidetrouble-shooting guide
Steering Channel Works But Motor Will Not Run
• Check motor connections. Check motor and brushes.
•
Make sure input signal harness is plugged into throttle channel of
and the ESC. Check throttle channel operation with a servo. Check wiring
color sequence of receiver signal harness.
• Possible thermal shut-down (blue & red status LEDs flashing)––Check motor,
brushes, & drive train. ESC is being severely over-loaded.
• Possible internal damage––Refer to Service Procedures.
Receiver Glitches/Throttle Stutters During Acceleration
• Receiver or antenna too close to ESC, power wires, battery, or motor.
.
•NOT ALL TRANSMITTERS HAVE THESE ADJUSTMENTS•
• Bad connections––Check wiring and connectors.
• Motor brushes worn––Replace brushes.
•
Excessive motor current––Use milder motor or smaller pinion gear.
•
External Power Capacitor damaged/not installed––Replace Power Capacitor.
Motor and Steering Servo Do Not Work
•
Check wires, receiver signal harness wiring & color sequence, radio
crystals, battery & motor connectors, and battery pack.
• Possible internal damage––Refer to Service Procedures.
Model Runs Slowly/Slow Acceleration
• Check motor and battery connectors––Replace if needed.
• Bad battery or motor––Check operation with another.
•
Incorrect transmitter/ESC adjustment––Refer to Steps 4 & 5.
•
External Power Capacitor damaged/not installed––Replace Power Capacitor.
• Schottky diode damaged––If using external Schottky, check that diode is
installed correctly/Refer to Step 2. Possible internal Schottky damage.
Motor Runs Backwards
• Motor wired backwards––Check wiring and reverse.
• Backwards motor timing––Reverse motor end bell.
ESC Is Melted Or Burnt/ESC Runs With Switch Off
• Internal damage––Refer to Service Procedures.
*For more assistance call our Customer Service Department.
service proceduresservice procedures
Before sending your GTX in for service, review Trouble-Shooting guide &
instructions. ESC may appear to have failed when other problems exist.
After reviewing instructions, if you feel your GTX requires service, please
obtain the most current product service options & pricing by the following:
WEBSITE:
SERVICE section of the website. Fill out the needed information on this
form and return it with the Novak product that requires servicing.
PHONE/E-MAIL:
customer service dept. by phone or e-mail as listed on the front page.
WARRANTY SERVICE:
on PRODUCT SERVICE FORM & include a valid cash register receipt with
purchase date and dealer name & phone# on it, or an invoice from previous
service. If warranty provisions have been voided, there will be service charges.
GTX ESCs returned without a serial number will not be serviced under warranty.
ADDITIONAL NOTES:
• Hobby dealers or distributors are not authorized to replace Novak products
thought to be defective.
•
If a hobby dealer returns your GTX for service, submit a completed PRODUCT
SERVICE FORM to the dealer and make sure it is included with the ESC.
• Novak Electronics, Inc. does not make any electronic components
(transistors, resistors, etc.) available for sale.
The GTX speed control is guaranteed to be free from defects in materials or workmanship for a period of 120 days from the original date of purchase (verified by
itemized sales receipt). Warranty does not cover incorrect installation, components
by use, damage to case, damage from using fewer than 4 or more than 7 cells (1.2
volts DC/cell) input voltage, crosstabs, reverse voltage
receiver battery pack, not installing three 0.1µF (50V) capacitors on motor, incorrect
installation of a Power Capacitor on the ESC or from using a damaged Power Capacitor
using a non-Novak Power Capacitor, splices to input harness, damage from excessive
force when using the One-Touch/SET button or from disassembling case, tampering
with internal electronics, allowing water, moisture, or any other
enter ESC or get onto the PC board, incorrect installation
allowing exposed wiring or solder tabs to short-circuit, or any damage caused by a
crash, flooding, or act of God.
In no case shall our liability exceed the product's original cost. We reserve the right to
modify warranty provisions without notice.
Because Novak Electronics, Inc. has no control over the connection & use of the speed
control or other related electronics, no liability may be assumed nor will be accepted
any damage resulting from the use of this product. Every Novak speed control is
thoroughly tested & cycled before leaving our facility and is, therefore, considered
operational. By the act of connecting/operating speed control, user accepts all resulting liability.
©2004 Novak Electronics, Inc. • All Rights Reserved • No part of these operating
instructions may be reproduced without the written permission of Novak
Inc. • GTX Programmable Racing ESC, Variable Throttle Step Technology, Polar Drive
Technology
Electronics, Inc. • All Novak speed controls are designed &
receiver
system,
Print a copy of the PRODUCT SERVICE FORM from the CUSTOMER
If you do not have access to the internet, contact our
For warranty work, you MUST CLAIM WARRANTY
product warrantyproduct warranty
dated,
worn
application, damage from incorrect
, Radio Priority Circuitry, & One-Touch Set-Up are all trademarks of Novak
connection of battery/motor, overheating solder
installation of FET servo or
/wiring of input plug plastic,
foreign material to
manufactured
Electronics,
in the U.S.A.
for
✫✪✼✲✬✄✼✮✽
✑
✾✹
✄
✰✾✲✭✮✄✑✑✄
✰✽❁
SPECIFICATIONS
Input Voltage.......................................... 4-7 cells (1.2 volts DC/cell)
Motor Limit ..................................... Any brushed-type R/C motor
Case Size .............................
Weight (w/o wires) ............................................... 0.64 ounce [18 grams]
High-Performance Programmable Racing ESC
#IM-1780-2
9-2004
On-Resistance @ Transistors**................................................ 0.00034 Ω
Rated Current
B.E.C. Voltage/Current............................... 6.0 volts DC/3.0 amps
Schottky Diode ................................................... 36 amps
Power Wire ............................................................ 10 inches/14G
Signal Harness
Throttle Programs......................................... 7 (6 fixed/1 adjustable)
Minimum Brake (all Programs) ................................................. 0%-50%
PWM Frequency .............................................................1-11 kHz
(forward/braking) ....................................... 150/60 amps
(replaceable) ....................................... 9 inches
SMALL...LIGHTWEIGHT...EXTREMELY POWERFUL...EASY-TO-USE...RELIABLE.....any other requests?
You told us what you wanted in a programmable ESC, and here it is. The GTX is smaller & lighter than any other racing
speed control Novak has ever produced, and now it’s even easier to use. Right out of the box, this highly customizable ESC
is loaded with 7 factory-installed Throttle Programs, with the top pro driver’s favorite Profile always loaded as the default.
You choose how the GTX works best for you--select from the 7 factory programs, or customize the 7th program just how you want it.
Minimum Brake settings are individually stored for each program, and the 7th program lets you select from 7 Drive Frequencies, 5 Minimum Drive
percentages, 5 Brake Frequencies, 7 Minimum Brake percentages, 5 Dead Band percentages, 2 styles of braking, and 7 Drag Brake percentages.
The GTX has Novak’s Variable Throttle Step Technology, with up to 2600 discrete steps (1300 for drive & 1300 for braking) for the smoothest ESC
available––no matter what frequency you select (1-11kHz). As an added safeguard, your GTX is equipped with Thermal Overload Protection,
and that’s something that can save you some serious money considering the motors that are being used in today’s racing. Add to this the ease
& convenience of user-replaceable power wires, power capacitor, ON/OFF switch, & input harness, and the GTX is just what you asked for!
Because of this ESC’s advanced technical features, PLEASE READ ALL INSTRUCTIONS before using GTX
PRECAuTIONS
WATER & ELECTRONICS DON’T MIX!
Never allow water, moisture, or other foreign materials to get
DISCONNECT BATTERIES WHEN NOT IN USE
when not in use to avoid short circuits and possible fire hazard.
Never use fewer than 4 or more than 7 cells (8.4 volts DC) in
Reverse battery polarity can damage speed control––Disconnect
An external power capacitor is supplied & installed, and SHOULD
be used with your GTX. Failure to use Power Capacitor will result in
,
higher ESC operating temperatures & possible thermal shut-down!
Always turn on the power of the transmitter first so that you
electrical tape to prevent short circuits, which can damage ESC.
Exposure to CA glue or its fumes can cause damage to internal
components of the speed control and result in premature failure.
inside the speed control or on the PC Board.
Water damage will void the warranty!
Always disconnect the battery pack from the speed control
4 TO 7 CELLS ONLY
the vehicle’s main battery pack.
NO REVERSE VOLTAGE!
the battery immediately if a reverse connection occurs.
POWER CAPACITOR RECOMMENDED
TRANSMITTER ON FIRST
will have control of the vehicle when you turn it on.
INSULATE WIRES
Always insulate exposed wiring with heat shrink tubing or
NO SOLVENTS
Exposing the speed control’s Lexan® case to any type of
solvents will damage the plastic.
NO CA GLUE
optional accessories
POWER CAPACITORS [#5675]
An external power capacitor is installed, and SHOULD BE USED to
maintain cool and smooth operation. Refer to Fig.5 Set-Up Photo
Replacement Power Capacitor is available in Novak kit #5675.
RACING SCHOTTKY MOTOR MODULES [#5636]
The GTX has a built-in 36A Schottky diode and does not require an
external one for most usage. The external Schottky will optimize
the ESC’s braking and motor performance in applications with heavy
or repeated braking or low-turn modified motors.
Racing Schottky Motor Module is available in Novak kit #5636.
MOTOR CAPACITORS [#5620]
Additional motor capacitors are available in Novak kit #5620.
14G SUPERFLEX SILICONE POWER WIRE [#5500 & 5505]
Replacement GTX battery & motor wire is available in Novak kits #5500
(36”red & 36”black) & #5505 (36”red & 36”blue).
12G SUPERFLEX SILICONE POWER WIRE [#5530 & 5535]
12 guage silicone battery & motor wire is available in Novak kits #5530
(36”red & 36”black) & #5535 (36”red & 36”blue).
GTX INPUT/SWITCH HARNESS [#5305]
The user-replaceable combo power switch/input
ON/OFF switch and both long & short length input pigtails.
GTX Input/Switch harness available in Novak kit #5305.
Novak Electronics, Inc.
(949) 833-8873 • FAX (949) 833-1631
Customer Service e-mail: cs@teamnovak.com
Monday-Thursday: 8:00am-5:00pm (PST)
Friday: 8:00am-4:00pm
P1P4
www.teamnovak.com
1.11”x0.86”x0.60” [28.2x21.8x15.2mm]
(built-in)
[22.8 cm]
**Transistor rating @ 25°C
harness comes with
(closed every other Friday)
Page 2
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The GTX speed control is epuipped with the industry standard
connector
harness--the 3-pin connector on the end of this harness works with
all the major radio brands new receivers. However, some very old
receivers must have the wiring sequence inside the plastic 3-pin
connector housing changed. This is an important step, because the
receiver electronics may be damaged if the sequence is not correct.
changing wiring sequencechanging wiring sequence
changing wiring sequence
changing wiring sequencechanging wiring sequence
11
1
–
connect input harness
11
on a user-replaceable combination power switch/input
receiver endreceiver end
@@
receiver end
@
@@
receiver endreceiver end
JR • Hitec • Futaba • New KO • Airtronics ZJR • Hitec • Futaba • New KO • Airtronics Z
JR, Hitec, Futaba, new KO, & Airtronics Z receivers do not need input
harness re-wiring.
KO cases have tabs on the input harness openings as in Figure 1.
• Plug the 3-pin connector end of the input harness into the receiver
with the BLACK wire toward the outside edge of receiver case.
• Plug the 5-pin end of the power switch/input harness onto 5-pin
header on the side of the GTX’s case with the WHITE wire toward
the ‘S’ (signal) marking by the corner of the ESC’s case.
New KO (with tabs) Old KO (no tabs)
tabs
white
red
FIGURE 1
black
Airtronics Z receivers have blue plastic cases & new
no tabs
white
black
FIGURE 2
red
Old-style KO • Old-style Sanwa/AirtronicsOld-style KO • Old-style Sanwa/Airtronics
If your receiver is an older KO or Sanwa/Airtronics, you must change
the sequence of the ESC’s input harness wires.
Old Sanwa/Airtronics cases are black in color & Old KO cases do not
have the tab openings, as in Figure 2 above.
• Using a small standard/flat blade screwdriver, remove the red and
black wires from the plastic 3-pin connector housing at the receiver
end of the input harness as in Figure 3 below.
• Interchange the red and black wires in the plastic 3-pin connector
housing at the receiver end of the input harness.
• Insert modified 3-pin end of the harness into the receiver with the
RED wire toward the outside edge of receiver case.
FIGURE 3 With a small standard screwdriver, gently lift plastic prong until
wire and metal socket easily slide out of plastic housing.
changing input harness pigtail lengthchanging input harness pigtail length
changing input harness pigtail length
changing input harness pigtail lengthchanging input harness pigtail length
The GTX is supplied with both a long and short length input signal
pigtail to allow you to get a custom looking install without all the
extra signal wire that needs to be bundled up in the vehicle.
To change the input signal pigtail, follow above instructions for
removal of old pigtail. Select proper wiring sequence as described
above, then insert the new pigtail, and you’re done.
using a receiver battery packusing a receiver battery pack
using a receiver battery pack
using a receiver battery packusing a receiver battery pack
If using an external receiver battery pack with the GTX:
1. Plug an external 5 cell (1.2VDC/cell) receiver battery pack into
the battery slot of the receiver.
2. Leave the GTX’s ON/OFF switch in the OFF position, and use
receiver battery pack’s ON/OFF switch to turn the system power
on and off––Do not use the GTX’s switch.
stepstep
step
stepstep
1. MOTOR CAPACITORS
Electric motors generate RF noise that causes interference.
included 0.1µF (50V) non-polarized, ceramic capacitors
used on all motors to reduce motor noise & prevent ESC damage.
Note: Some motors come with capacitors built-in. If your motor
only has two capacitors, you need to install a capacitor between
the positive & negative motor tabs––If you experience radio inter
ference when using only built-in capacitors, install external ones.
Solder 0.1µF (50V) capacitors between:
• POSITIVE (+) motor tab & NEGATIVE (–) motor tab.
• POSITIVE (+) motor tab & GROUND tab*.
• NEGATIVE (–) motor tab & GROUND tab*.
*If motor has no ground tab (below), solder the capacitors to motor can.
FIGURE 4
Extra 0.1µF capacitors are available in Novak kit #5620.
2. INSTALLING OPTIONAL SCHOTTKY DIODE
The GTX has a built-in 36A Schottky diode and does not require
an external one under most conditions. The external Schottky
will optimize the ESC’s braking and motor performance in
applications with heavy or repeated braking (lap after lap), or
when using very low-turn modified motors.
If using a Schottky diode with axial leads like shown in the photo
•
above
CLOSEST to the silver stripe on the body of the Schottky diode
to the POSITIVE (+) motor tab. Solder the lead OPPOSITE the
silver stripe on the body to the NEGATIVE (–) motor tab.
If using the Novak Racing Schottky Motor Module
•
perfoming Schottky diode available)
module to the POSITIVE (+) motor tab. Solder the black wire
from the Schottky module to the NEGATIVE (–) motor tab.
If Schottky diode is installed backwards it will be destroyed. Replace
only with Schottky diodes with a minimum rating of 35 volts/8 amps.
Racing Schottky Motor Modules are available in Novak kit #5636.
22
2
–MOtor prep
22
Negative (–) motor tab
0.1µF Capacitors
Schottky diode
Positive (+) motor tab
Ground / motor can
(older Novak style--35V/8A minimum)
, solder the red wire from the
The
must be
-
, solder the lead
(this is the best
stepstep
step
stepstep
The GTX is an extremely powerful ESC, capable of very efficient delivery
of battery power to your vehicle’s motor, and thus requires very good
connections between the battery, ESC, & motor to obtain the best
performance. A common cause of perfomance problems & ESC failures
is poor solder joints--If you have any doubts about your soldering
skill, we suggest seeking assistance at your hobby shop or track.
select a mounting locationselect a mounting location
• Keep the ESC and its power wires away from other electronics
in the vehicle, especially the receiver & antenna.
• Do not bundle receiver/signal wires with other wires--messy
installations account for nearly all radio interference (glitching)
problems. A clean looking install almost always works better.
• Route ESC wires to clear any moving parts in the vehicle.
• Airflow through the ESC’s heat sink is a huge performance plus.
Like a real car, cooling is everything--if you can mount the ESC
where it will see some air flow, it will run cooler; and that means
that the ESC will be even more efficient (and make you faster!).
Once you’ve decided where to put the GTX, it’s time for some wiring.
The GTX uses a 3-wire system where the battery & motor share the
same red wire. The recommended wiring method is direct soldering
for a system with the least amount of resistance.
use battery/motor connectors & will be discussed at the end of this section.
1.
PREP & SOLDER SPEED CONTROL’S RED WIRE
Depending on your vehicle’s configuration, there are two main ways that
you can make the red wire connections--making a “Y”
red wire to go to the motor & battery, or a single wire set-up where the red
wire goes to the battery and then continues on to the motor
using the single wire methousing the single wire methodd
a.a.
a.
Position the GTX where it will be mounted, strip a 1/4-3/8” section
a.a.
of insulation from the mid-section of its red wire where
solder it to positive
the middle)
b.b.
b.
Solder the exposed section of wire to positive
b.b.
or the positive (+) end of the battery pack
c.c.
c.
Cut the GTX’s red wire
c.c.
so it will reach the final component
and strip 1/8-1/4” of insulation off the end. Twist & tin the wire.
d.d.
d.
Solder the tinned end of the GTX’s red wire to the final
d.d.
component--battery positive (+) or positive (+) tab of the motor.
FIGURE 5: SET-UP PHOTO
(in-line ’single wire method’ of red wire shown)
Keep receiver & antenna as
Trail excess wire off
Three
0.1µF (50V)
ceramic
capacitors
(+)
Blue power wire
(motor negative)
P2 P3
Red power wire
motor positive)
(–)
top of antenna mast
(battery &
(+)
Black power wire
(battery negative)
status LEDs
One-Touch/“SET”
programming button
4 to 7 cell
battery pack
User-replaceable
combination
power switch
input harness
far from motor, servo, battery,
& power wires as possible.
(–)
insulate
exposed
wiring &
leads
why you want the power capictorwhy you want the power capictor
why you want the power capictor
why you want the power capictorwhy you want the power capictor
The GTX comes with the best available power Capacitor that drops ESC operating temperatures by
10-15°F (remember, cooler means your GTX will be more efficient & faster) and dissipates noise &
&
voltage spikes from the ESC’s high switching speed that makes the GTX so smooth.
You MUST use Novak Power Capacitors--other capacitors with similar ratings don’t provide the
same protection. We’ve done extensive research to find capacitors with the very best quality factors.
33
3
–
wiring speed control, motor, & battery
33
(+)
. Tin the exposed section of wire with solder.
ON/OFF switch
screwed to chassis
Power Capacitor
taped or tie-wrapped to chassis
of the motor or battery
(after the first connection)
FIGURE 6: ‘Y’ METHOD OF WIRING
‘Y’ in red wire
[see Figure 5: Set-Up Photo].
(battery positive or motor positive)
heat shrink all
exposed wiring
Red
Blue
Green Amber
::
Installations can also
(or “T”) out of the
(or vice versa).
::
(component that is in
(+)
tab of the motor
to the proper length
you will
Power Capacitor
taped to chassis
SET
button
Fig.7: STATUS LEDs
continued –>
using the “y” metho using the “y” methodd
a.a.
a.
Strip a 1/4-3/8” section of insulation from the mid-section of the
a.a.
GTX’s red wire where you want to split and go to the motor &
battery. Tin the exposed section of wire with solder.
b.b.
b.
Strip a 1/4” of insulation off the one end of the extra piece of red
b.b.
wire that came with the GTX. Twist & tin the wire.
c.c.
c.
Slide the supplied piece of heat shrink tubing over the red wire
c.c.
coming from the GTX, and slide it all the way to the ESC.
d.d.
d.
Solder the tinned end of the extra piece of red wire to the
d.d.
section along the GTX’s red wire & shrink the tubing over the solder
joint with a heat gun
e.e.
e.
Cut one end of the GTX’s red wire
e.e.
length so it will reach the positive
1/8-1/4” of insulation off the end. Twist & tin the wire.
f.f.
f. Solder this end of the GTX’s red wire to the positive (+) motor tab.
f.f.
g.g.
g.
Cut the other end of the GTX’s red wire to the proper length so
g.g.
it will reach battery pack positive (+) and strip 1/8-1/4” of
insulation off the end. Twist & tin the wire.
h.h.
h.
Solder this end of the GTX’s red wire to battery positive (+).
h.h.
(a lighter or match also works well).
(after the ”Y”)
(+) tab of the motor
::
(Figure 6)
to the proper
and strip
tinned
2. PREP & SOLDER GTX’S BLUE & BLACK WIRES
a.a.
a.
Cut the end of the GTX’s blue wire to the proper length so it will
a.a.
reach the negative
insulation off the end. Twist & tin the wire.
b.b.
b.
Solder the end of the GTX’s blue wire to motor negative (
b.b.
c.c.
c.
Cut the end of the GTX’s black wire to the proper length so it will
c.c.
reach battery pack negative
off the end. Twist & tin the wire.
d.d.
d.
Solder the end of the GTX’s black wire to battery negative (
d.d.
a charged 4 to 7 cell pack.
TIP: Twisting BLUE & RED wires once or twice around each other as they
go to the motor helps reduce RF noise emitted from power wires.
using battery & motor connectorsusing battery & motor connectors
using battery & motor connectors
using battery & motor connectorsusing battery & motor connectors
Battery & motor connectors can be used for making your connections,
however they will never have as low of resistance as a good solder joint.
If you are going to use connectors for your battery and/or motor, we
suggest the Dean’s Ultra Connectors--do not use crimp on types.
When using battery and motor connectors, please note the following:
• If you have any doubts about your soldering skills, seek assistance
from your hobby shop or track, or see our website for tips.
• Use connectors that cannot be plugged in backwards--reverse
voltage will damage the GTX and void the warranty.
• Use a female connector on battery packs to avoid shorting.
• If using connectors for both battery & motor leads, use a male
connector on the GTX’s battery lead and a female on the GTX’s
motor lead to prevent cross connection
For additional information on connector usage, visit our website.
replacing power wiresreplacing power wires
replacing power wires
replacing power wiresreplacing power wires
When replacing the battery or motor power wires at the GTX’s solder
tabs, it’s important to not overheat PCB (printed ciruit board) with the
soldering iron by applying prolonged or excessive heating.
• Remove wires from the tab by first removing GTX from vehicle to
access solder joints on the bottom of the tabs. Use a soldering iron
to apply heat to the wire’s solder joint while gently pulling on the
wire to remove it from the hole in the PC Board.
• Replace the wires by stripping 1/8-1/4” of insulation from the end
of the new wire. Tightly twist the wire strands and lightly tin with
solder. Insert the wire end into the proper hole in the PC Board
there is still solder in the hole you can melt it with the iron while pushing the
wire through the hole). Apply heat to the section of wire that is sticking
through the tab’s hole, and add solder to the tip of the soldering
iron and to the wire. Add just enough solder to form a clean &
continuous joint from the plated area of the solder tab up onto the
wire. Use side cutters to trim excess wire above tab
(–) tab of the motor and strip 1/8-1/4” of
–
).
(–)
and strip 1/8-1/4” of insulation
–
) of
(also voids warranty).
@@
solder tabssolder tabs
@
solder tabs
@@
solder tabssolder tabs
(if
(about 1/16”).
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