Quote:
Originally Posted by scribeworks
This looks like a good place to ask a question about "brake controllers." I have a 2009 Mercury Mariner w/3liter 6cyl motor, 4wd, installed tow package that can evidently tow 3500 lbs but something about the electrical relays limits me to 4pin towing harness which excludes a brake controller. Is a brake controller/electrical brakes essential for even the lightest TM models?
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I personally would not consider towing without a brake controller and trailer brakes for anything larger than a utility trailer (ie: 4'x8'). If you're limited to a 4-pin towing harness, I'd question what class your hitch is and whether it's even up to the job??? Is it a Class II hitch by chance? If so, don't tow a travel trailer with it. They're designed to tow utility trailers, maybe a jet-ski, a quad on a trailer, etc... not a travel trailer.
Those that are towing here with 3500# limits are likely doing so with a Class IV hitch that they've had installed aftermarket with a proper transmission cooler, etc...
Feel free to correct me if I'm wrong, but I believe I'm right...