On my truck the double trailer socket was used to provide signal and power to electric brakes on a big boat trailer. You'll see the second row of sockets are much bigger than the standard 7 pin array, to allow them to carry more current
On my truck the double trailer socket was used to provide signal and power to electric brakes on a big boat trailer. You'll see the second row of sockets are much bigger than the standard 7 pin array, to allow them to carry more current
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