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Symptom: Towed vehicle's fuse for 12 volt outlet keeps blowing.
Solution: Check towed vehicle's fuse size. The braking system uses a 20 amp fuse. If towed vehicle’s is not sufficient,
install optional 12 volt power outlet (part number 9332). If fuse is of sufficient size, unplug BrakeAway from the unit to see if
fuse stops blowing. If so, you have a short in the BrakeAway wiring harness. Inspect wire for possible grounding and repair.
Symptom: The BrakeAlert system is not working.
Solution: Verify that all RCA plugs are connected to the correct jack: red to red, white to white, blue to blue. Check for
red LED light on Transmitter in towed vehicle (should illuminate each time the system activates). Check fuse in the end of the
12 volt power cord for the unit, Transmitter & Receiver. Also, make sure the antennas on both the transmitter & receiver are
not parallel to the power cords or near any other wiring or power sources as this may interfere with the BrakeAlert system.
Symptom: Red light on power cord is not illuminated when plugged into towed vehicle's 12 volt outlet.
Solution: a) Some vehicles do not have power unless vehicle is running. Start towed vehicle to see if you now have
power. If so, install Roadmaster optional 12 volt power outlet (part number 9332).
b) Check fuse for 12 volt outlet.
c) Check fuse in end of the braking system 12 volt plug.
Symptom: Brake lights on towed vehicle are overriding turn signals.
Solution: May need to use optional Brake-Lite Relay Kit part number 88400. See “Brake-Lite Relay Kit” towards the
rear of the manual.
Symptom: The compressor comes on when the system is plugged in, but not actually being
used for braking.
Solution: The system’s compressor will activate about every 10 minutes due to normal air dissipation. If compressor
activates repeatedly within a ten minute or less period (when not braking), contact Roadmaster Inc., you may have an air leak.
Question: How do I increase brake power?
Answer: Push the Max Brake Pressure button to select a higher number. Setting 1 being the least braking and setting 4
being the greatest.
Question: How do I decrease brake power?
Answer: Push the Max Brake Pressure button to select a lower number.
Symptom: After towing there is excessive brake dust on wheels on towed vehicle.
Solution: Decrease Max Brake Pressure setting by 1 number.
Symptom: After towing there is an unusual odor coming from the brakes on towed vehicle.
Solution: Decrease Max Brake Pressure setting by 1 number.
HELPFUL HINT! Setting the Brake Sensitivity to a higher number means you will need more force on
the RV brake pedal to activate the system. Setting the Max Brake Pressure to a higher number means the
braking unit is exerting more pressure on the towed vehicle’s brake pedal.
Troubleshooting continued
FAILURE TO INSTALL AND OPERATE THE BRAKING SYSTEM AS INSTRUCTED MAY RESULT IN
UNIT TO MALFUNCTION, PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
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