Bought a 94F350 in great shape that will not backup my Ranger. In the fuse description it has a block for "trailer reverse lights" but did not come with the guts installed for this particular fuse and option. Is this my problem? And if so, how do I resolve this? Thanks.
Yes, that is the problem. Simple fix is if you can tap the reverse connection into the backup light wiring. Don't know if possible on that truck.
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I would think that you could do some digging behind the tail lights and find a hot wire for the back-up lights to tap into.Originally Posted by Jonestrollingmotor
"The man of system is apt to be very wise in his own conceit; and is often so enamored with the supposed beauty of his own ideal plan of government that he cannot suffer the smallest deviation from any part of it…He seems to imagine that he can arrange the different members of a great society with as much ease as the hand arranges the different pieces upon a chessboard.” Adam Smith, The Theory of Moral Sentiments
Thanks men. in summary, you advise that I splice into the reverse light wire? From one side only(driver side reverse light)? And any idea where I connect that to on the 7 pin plug?
The center pin of a 7 pin plug is 12 volt in reverse.
Yes. It doesn't matter which side, all you need is the electrical signal that the truck is in reverse so the trailer brakes don't come on.
Fellows, do I need a relay involved with this or straight from the taillight splice to the center pin?
No relay.
Thanks men for the help. Got it done.
"The man of system is apt to be very wise in his own conceit; and is often so enamored with the supposed beauty of his own ideal plan of government that he cannot suffer the smallest deviation from any part of it…He seems to imagine that he can arrange the different members of a great society with as much ease as the hand arranges the different pieces upon a chessboard.” Adam Smith, The Theory of Moral Sentiments
over many years , never really had to use a relay. for fog or driving lights and other accessories.. for my own or even new car prep, back when I was a mechanic for a new car dealer. Just make connectors 100% water proof, last many years
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