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Dim Turn Signals

Posted by Portsmouth Trailer Supply on 27th Mar 2024

When my trailer is connected to my vehicle, the turn signals are dim and flashing rapidly. What causes this?

When you add trailer lights to a vehicle system, the turn signal amp load basically doubles. Most vehicles have a flasher that controls the blink of a turn signal. The standard flasher provided in many vehicles will not handle this extra load. You should replace your flasher with a heavy duty flasher (8 to 10 amp) and make sure the vehicle engine is running. The flasher will slow down your turn signals and a running engine will increase brightness of the lamps.

Provided by our vendor Hopkins Manufacturing Corporation