- Trailer Knowledge
Key Takeaways
- Cold drops tire pressure - check and adjust before every winter trip.
- Have bearings and brakes checked before the season if you tow heavy.
- Keep the 7-way connector clean and greased so lights and brakes stay reliable in snow.
- If the trailer is stored for winter, take weight off the tires and disconnect the breakaway battery.
Winter Towing Is Its Own Skill
Minnesota does not do winter halfway, and towing through it asks more of both you and your trailer than any other season. Cold changes how tires, bearings, and electrical systems behave; snow and early darkness cut visibility; and the roads themselves get harder. None of it is a reason to park the trailer until spring - plenty of work and plenty of cabin trips happen all winter here - but a little preparation makes the difference between a trailer that handles the season and one that leaves you stranded on a cold shoulder.
Before the Season: A Pre-Winter Check
The smartest winter towing move happens before winter. Have your wheel bearings and brakes checked heading into the cold months, especially if you tow heavy - cold thickens grease and winter loads add stress, so a small issue found in November beats a failure in January. Look over your tires for tread and even wear, and confirm all your lights and signals work, since you will rely on them far more in a season of short days.
Every new trailer from TrailersPlus includes two free 40-point safety inspections at 12 and 24 months that cover bearings, brakes, tires, and electrical - a convenient way to get that pre-winter once-over from factory-trained technicians.
Tire Pressure and Cold
Cold air contracts, so tire pressure drops as the temperature falls - often noticeably between a heated garage and a below-zero morning. An underinflated trailer tire wears unevenly, runs hot, and handles poorly, none of which you want on a slick road. Check pressure when the tires are cold, before you drive, and set it to the sidewall rating before every winter trip.
Keeping the Electrical Reliable
Your trailer lights matter more in winter than any other time - short days and blowing snow mean other drivers need every bit of visibility you can give them. Moisture from snow and slush is hard on the 7-way connector between your truck and trailer, so wipe the pins clean and apply a thin coat of dielectric grease to keep the connection solid. If a light flickers or a signal drops out, check the connector first.
Towing Technique in Snow
A loaded trailer changes how your rig behaves on winter roads. Leave more following distance than you think you need, brake earlier and gentler to avoid pushing the trailer, and take corners and ramps slower - a trailer can lose grip independently of the tow vehicle. On the metro freeways in particular, give yourself room and time; winter is not the season to be rushed with a trailer behind you.
If You Store It Instead
Not towing until spring? A few steps before it sits protect the trailer through the cold. Park it on a level surface. Disconnect the breakaway battery so it does not drain. Grease the moving parts - coupler, jack, and hinges.
Ready for Whatever the Season Brings
A trailer that is prepped for winter is one you can count on whether you are working through it or heading up north. Browse trailers near the Twin Cities, and if you want a professional set of eyes before the cold sets in, the Columbus store can put your trailer through the included safety inspection.
Frequently Asked Questions
Why does my trailer tire pressure drop in winter?
Cold air contracts, lowering the pressure inside the tire. Check when the tires are cold and set to the sidewall rating before every winter trip - underinflated tires wear unevenly and handle poorly on slick roads.
Should I have bearings checked before winter?
Yes, especially before a season of heavy towing. Cold thickens grease and winter loads add stress, so a pre-season check catches problems before they strand you in the cold.
How do I keep my trailer lights working in snow?
Keep the 7-way connector pins clean and coated with dielectric grease to resist moisture, and confirm all lights and signals work before each trip. Visibility matters most in winter.
How should I store my trailer over winter?
Park it level, disconnect the breakaway battery, grease the moving parts.
Does TrailersPlus service trailers near the Twin Cities?
Yes - the Columbus store has a full service department and can run your trailer through the included 40-point inspection. Visit your nearest TrailersPlus location to schedule.









