Electronic Brake Control
For 2, 4, 6* and 8* brake applications
Components of the Brake Control
A. Power Knob
B. Manual Slide Knob
C. Bracket Mounting Holes
D. Bi-Colored Light
E. Level Knob
Important Facts to Remember
1. Do not mount or activate RF generating items (cell
phones, two way radios) near (less than 12") the
Brake Control.
2. CAUTION Reversing the connection to a break-
away battery on the trailer will destroy
the Brake Control.
3. CAUTION Disconnect trailer plug from the tow
vehicle prior to testing a breakaway switch or you
may destroy the Brake Control.
4. The light is:
• GREEN when trailer is connected.
• RED when brake pedal or manual is
activated and trailer is connected.
5. The GREEN light draws 5 milliamperes of
current from tow vehicle. It would take over 10,000
hours to drain the tow vehicle battery.
6. WARNING The level adjustment is CRITICAL.
The level adjustment determines whether automatic
braking response is delayed or aggressive.
7. This brake control is activated by inertia. It
senses deceleration and generates an output
that reflects the inertia sensed. In a stationary
state, the brake control will not apply the
trailer brakes unless the Manual Slide
Knob is actuated.
8. WARNING The Gross Combined Weight
Rating (GCWR) must never exceed the vehicle
manufacturers recommendation.
9. This control specfically designed for use with
electric trailer brakes.
10. For Technical Assistance and Warranty Information
call: 1-888-785-5832 or www.tekonsha.com
Installation Guide
WARNING The Brake Control must be mount-
ed from -20 degrees nose down to 70 degrees nose
up. (See Below.) Failure to install brake control
within these constraints may cause your control to
become inoperable.
Traditional Bracket Mount
A. Mounting Bracket
B. #6 x 3/8” Screws
1.
CAUTION Drilling or use of longer screws
may damage unit.
2. Securely mount bracket to a solid surface.
3. Insert supplied #6 x 3/8” screws on each side
into the mounting holes.
4. Adjust control to desired position and tighten
screws until snug.
READ THIS FIRST:
Read and follow all instructions carefully before
installing or operating the Brake Control. Keep
these instructions with the Brake Control for
future reference.
D
E
B
A
-20°
0°
70°
A
B
C
P/N 3840 REV J 08/03
Leveling the Sensor
After the brake control has been securely mounted
the level adjustment must be set.
1. Connect trailer to tow vehicle, Bi-Colored
Light should glow GREEN.
2. Set power knob to maximum by fully
rotating clockwise.
3. Depress tow vehicle’s brake pedal and hold.
4. Rotate the Level Knob counter-clockwise
(towards the back of the control) until the
Bi-Colored Light starts to change colors
from GREEN to RED.
5. Carefully rotate the Level Knob clockwise
(towards the front of the control) until a
shade of ORANGE is visible.
Bi-Colored Light should show:
• DIM ORANGE for a typical setting.
• BRIGHT ORANGE for an aggressive setting.
• DIM RED for a more aggressive setting.
6. Release brake pedal.
Adjusting the Power to the
Trailer Brakes
Once the control has been installed and properly
leveled, it is necessary to set the power needed
to stop the trailer during a braking event.
1. Connect trailer to tow vehicle.
2. Set Power Knob to the 12 o’clock position.
3. Drive tow vehicle and trailer on a dry level
paved surface at 25 mph and apply manual
slide knob.
NOTE: Range of adjustment for the level knob
from DIM ORANGE to DIM RED is 20 degrees
of rotation.
✓ If trailer brakes lock up:
❑ Turn power down using power knob.
(Rotate power knob toward the 8 o’clock
position, counter-clockwise.)
✓ If braking was not sufficient:
❑ Turn power up using power knob. (Rotate
power knob toward the 5 o’clock position,
clockwise.)
4. Repeat Step (3) until power has been set
to a point just below wheel lock up or at
a sufficient force as to achieve maximum
braking power.
5. Using the brake pedal, make a few low speed
stops to check the Power and Level adjust-
ments. The automatic response (brake pedal)
is initiated and terminated via the stoplight
switch. When the brake pedal is released,
trailer braking will cease.
Fine Tuning
Now that the Power has been set, it is time to fine
tune the level setting for the majority of the
stopping that you will be doing.
1. Make several slow (25 MPH) stops as if
coming up to a stop sign and take notice
of how the trailer brakes respond:
✓ Brakes Grab Too Much
❑ You have an Aggressive Setting:
To correct this condition rotate level knob
clockwise, toward you, see below.
✓ Trailer Tending to Push Tow Vehicle
❑ You have a Delayed Setting:
To correct this condition rotate level knob
counter-clockwise, away from you, see below.
2. Repeat until desired trailer braking is achieved.
A. Delayed
B. Normal
C. Aggressive
NOTE: When the brake control is leveled
properly there will be very little current flowing
through the brake magnets in a static state with
the foot pedal depressed. The brake magnets will
hum when there is current flowing through them.
Anytime the Bi-Colored Light shows any color
other than GREEN, there is current flowing
through the brake magnets.
NOTE:
1. Front of the Voyager must be horizontal,
see below.
2. The Voyager must be parallel to direction
of travel, see below.
NOTE:
1. WARNING This brake control is activated
by inertia and requires the level to be set
properly, or the braking response will be too
harsh or ineffective.
2. To properly level the sensor, the trailer and
tow vehicle must be parked on a level surface
and trailer must be connected to tow vehicle.
A
B
C
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