Hot wire to trailer
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New User
Joined: Mar 2013
Posts: 3
Likes: 0
Hot wire to trailer
My 2012 f350 won't run the auxiliary lights inside my horse trailer. I've checked the fuses and run a test light on the hot wire out of the plug on the pickup and I've still got nothing. Anybody have a solution? Thanks
Elder User
Joined: Dec 2006
Posts: 674
Likes: 0
From: Hattiesburg, MS
I remember my 06 and 08 F150 needed a fuse to be installed in the under hood fuse box to activate that. Have u checked there?
Junior User
Joined: Jan 2013
Posts: 73
Likes: 0
From: Issaquah Washington
Mine will work on acc switch on ignition as well, not engine running. I also had to put a fuse into the proper location of fuse box in engine bay. It did not come with one from factory, even though it had factory tow package.
Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
A must read for all vehicle owners ! 
You can get some good info from them . Not as good as the once were . My 73 VW even had engine specs listed in the manual . Valve lash , point gap , adjustment procedures for many items . But , you can still learn a lot !
You can get some good info from them . Not as good as the once were . My 73 VW even had engine specs listed in the manual . Valve lash , point gap , adjustment procedures for many items . But , you can still learn a lot !
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Freshman User
Joined: Jun 2012
Posts: 42
Likes: 0
As long as one person with internet reads the manual the rest of us can slide. Sorry for the hijacked thread and thanks for the information you saved me some page turning too.
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Hotshot
Joined: May 2005
Posts: 13,484
Likes: 42
From: Stevens Point, WI
That is true! I sort of miss the old manuals that had torque specs, parts explosions and part numbers, and whatnot. It wasn't just a manual, it was a blueprint of the vehicle.
Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
. Oh , and if ( insert here ) light comes on , take it to the nearest dealer 
. The owners manual for my 53 Pontiac is much better than my Mounty . In my opinion . With my Ferguson manual I can almost rebuild it !
They ( the powers that be ) do not want everyone working on their autos . That is why it cost s a few grand each year for my shop to keep the equipment up to date !
Hotshot
Joined: May 2005
Posts: 13,484
Likes: 42
From: Stevens Point, WI
I have a manual for an old hand crank to start wisconsin motor (water pump) that has absolutely everything in it including a phone number for ordering new parts. It has it all from torque numbers for the connecting rods to how to grind the piston rings to get the right gap.
Now they tell you how to start the car and put it in gear. Everything else "See the dealer".
Now they tell you how to start the car and put it in gear. Everything else "See the dealer".
Elder User
Joined: Jul 2012
Posts: 575
Likes: 1
From: Eastern KS
Look at the number of posts from the previous poster. Im guessin a new guy that doesn't know where hes at on the forum.