A: Continue with your journey because the lights on your car are working
B: Disconnect the trailer electrical coupling before continuing with your journey
C: Repair the fault before continuing with your journey
D: Book the trailer in for repair before continuing with your journey
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You must make sure that your vehicle and trailer are roadworthy. Check that your tyres are legal, and the brakes and lights are working properly.
If any of these things is not working, you must not drive or tow your trailer until the fault is repaired.
