PA G E 11
Troubleshooting Guide
This brake control is capable of communicating functional errors through the digital display.
Bench Test
This brake control can be tested out of the vehicle to conrm proper function. You will need
a standard 1156 automotive bulb in a socket, a charged 12v battery and a length of wire.
1. Connect the brake control's white and the bulb's ground wire to the battery's negative
terminal. Connect the brake controls's black wire to the battery's positive terminal.
Leave the blue and red wires disconnected at this point.
IMPORTANT: Do not allow the red wire to touch the battery negative terminal
or any other ground during testing. This will destroy the brake control.
2. Lay the module on a at surface, press and hold the calibration button
until a steady 'CL' is on the digital display. Release the button.
Condition Display Issue
Single dot Brake pedal is pushed, no trailer connection
Flashing O.C
When manual control is activated indicates no trailer connection. Note: O.C. will ash for
a few seconds after a trailer is disconnected from the tow vehicle trailer plug, this is normal
Flashing S.C
Short circuit condition in the blue brake wire circuit beyond the brake control
(trailer plug, trailer brakes, etc). Normal function will return once the condition is corrected
C.S
Low or no power from the tow vehicle's battery. First, restart vehicle. Then check battery
connections, check circuit breaker, check vehicle's tow battery and charging system
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