Boat Trailer Breakaway Switch Wet Weather Troubleshooting Guide
Official Safety Notice: Water ingress into the breakaway switch can cause a short circuit in wet weather, resulting in the electric brakes locking on, hot brakes in heavy rain.
Official Safety Notice: Water ingress into the breakaway switch can cause a short circuit in wet weather, resulting in the electric brakes locking on, hot brakes in heavy rain.
Standard, unsealed breakaway switches are susceptible to moisture intrusion. To permanently solve wet-weather tracking on a 4-tonne trailer, implement these hardware changes:
While traditional electric drum brakes are standard across a majority of standard highway builds due to their lower cost, upgrading to a disc setup offers substantial mechanical benefits.
Genuine AL-KO: Engineered with premium Kevlar semi-metallic, asbestos-free compounds. These materials withstand high thermal loads, dissipate heat, and maintain stable friction to prevent dangerous brake fade on steep downhill descents.
Tip: Are you experiencing wet weather? Your breakaway switch may be shorted by water. Solution: Pull the pin and spray the terminals with WD40 or contact spray, then reinsert the pin.
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The Couplemate™ Technical Hub is a free digital resource for the Australian towing and trailer industry. Units in the Technical Hub include:
Introduction Unit
Unit 1: Towing
Unit 2: Axles & Suspension
Unit 3: Brake Systems (you are here)
Unit 4: Fasteners & Fittings
Unit 5: Electrics