Manual

14
3 OPERATION
LED Sequence Symptom/Description Possible Cause Suggested Action
1 Second
The LED is fl ashing GREEN at any time or only when not braking
Low continuous voltage on brake light (RED) wire
Check that RED wire is connected to a point that is 0V when the brakes are off and 12V with the brakes applied
Time
The LED fl ashes an unusual colour sequence randomly whilst braking
There is a short circuit on the output (BLUE) wire or the circuit breaker is overloaded
Check for short circuit on brake light (RED) circuit Check for short circuit on trailer brake (BLUE) circuit, including moving brake swing arms Check that no other devices are running from the same circuit breaker as the Tow-Pro Classic
Time
LED only lights up when braking and brake light fuse may have blown
The power wire is most likely not connected
Check supply (BLACK) wire for connection problems and check circuit breaker/fuse is not blown
Time
The LED is not working at all
There is a bad connection to the trailer
Check the trailer wiring as the unit is not recognising that a trailer is connected.