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CONFIGURE YOUR STEERING WHEEL SENSOR
Three values need to be entered on your App's 'Steering Wheel Sensor Configuration' screen
to set up your Steer Sensor for operation.
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It is very important to be as accurate as possible with these particular measurements for the
best performance of your TowGo system. You can use feet, inches, meters, or centimeters.
The first value is the wheel base of your towing vehicle. The wheel base can be found in the
vehicle's owner’s manual or the manufacturer’s web site. If you cannot find the wheel base
from either of these (or other) sources, you can measure the wheel base with a measuring
tape; measure from the center of your front tire to the center of your back tire.
The second length is between the stretch cord mounting bracket and the hitch ball. Measure
from the center of the hitch ball to the center of the bracket. Make sure this measurement is
parallel to the ground.
The third value is the steering ratio of your vehicle. This is the ratio of how much the front
tires turn when you turn your steering wheel. A typical value is around 20:1 (or 0.05). The
steering ratio for your vehicle can be found in its owner’s manual or on the manufacturer’s
web site. If you cannot find the steering ratio from either of these (or other) sources, it is
possible to measure the steering ratio with a protractor. Drive straight forward, put the
vehicle in park, and then make sure your tire is parallel to the line of travel. Next, rotate the
steering wheel a quarter turn (90°) from where it was, drive a short distance more, put the
vehicle in park, and measure the angle of the front tire to the vehicle’s line of straight travel
(i.e., measured to where it was when driving straight). Divide this measured angle by 90 – this
is your steering ratio.
On your App, access the 'Steering Wheel Sensor Configuration' screen.
Enter the values for WHEEL BASE, CORD ANCHOR TO HITCH BALL and STEERING RATIO.
Be sure to select the units of measure that you used to measure in the pull down to the right
of the length value. ***Steering ratio has no units of measure.
If you move the
steering wheel sensor
to different tow vehicle, you must re-measure and
reenter all of these values.
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