Trailer Electrics: Make The ConnectionPublished: Fall 2013
Keeping the electrics on your boat and trailer shipshape can save you time and trouble later. Let these tips spark your enthusiasm.
Two key words to good soldering are "clean" and "shiny." A proper solder joint will be shiny bright. If it doesn't look right, it probably isn't and will cause trouble in the future.
We want the drivers behind us on the road to see our trailer lights working properly, so I periodically clean the electrical wire harness connection between the truck and the trailer. After I've cleaned it, I apply silicone grease to ward off moisture and protect and facilitate better electrical contact, which translates into more reliable and longer-lasting trailer lights.
Lights, Laws, And More
Laws governing trailers — including the lights they must carry — vary from state to state, are subject to federal regulations, and are always subject to change. Know your jurisdiction and rig. You'll find a state-by-state summary here: www.drivinglaws.aaa.com/laws/trailer-lighting
The two most common ways to blow out a bulb are by immersing a hot bulb in cold water and by letting corrosion cause a short. Some trailer lights can be removed before launching. Don't let the connector plug to the car touch the water.
Use only tinned stranded wire, which is more flexible and chafe resistant. Secure exposed wire every 18 inches to prevent chafing. Inspect the entire system twice a year for bare or chafed wire, and give all contacts a protective dab of silicone grease. Don't forget the spare bulbs and fuses.
When trailer lights begin to fail, consider a total system replacement. Just cut wires at the rear end of the trailer and use old wires to pull new system wires through the trailer frame. Simply hook up a new light kit, and you have a brand new system.
Consider adding a heavy-duty flasher to your tow vehicle to help avoid the strain on turn signals (some turn signals will slow down to a crawl after a tow vehicle has been hooked up.) www.BoatUS.com/BoatTECH
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