Aux wire orange

[Born To Run]

How do i activate my aux wire on the truck side harness for towing,is it connected?Is it fused?I can't find any info on it.I want my trailer interior 12v lights to work,they worked on my old truck before i got this one.I have a F-350 Lariat DRW,I love this truck,much better than my old chevy PU.

[nylyon]

The factory 7-pin should be all set up. There's a 20A fuse in the fuse panel under the steering wheel. Mine was blown, replaced it and all was well.

[Born To Run]

Originally Posted by nylyon

The factory 7-pin should be all set up. There's a 20A fuse in the fuse panel under the steering wheel. Mine was blown, replaced it and all was well.

I have checked the fuses,but there is no description in my owners manual for Aux wire fuse!So where is it????

[nylyon]

My 2003 is fuse #115 Trailer Tow Battery Charge. It's a 20A Maxi Fuse.

[Born To Run]

Originally Posted by nylyon

My 2003 is fuse #115 Trailer Tow Battery Charge. It's a 20A Maxi Fuse.

I checked that,it is for the breakaway battery to keep it charged up.Its fuse #107 20A maxi fuse.It does not power up the aux terminal.I have a 2006 f-350 lariat.

[nylyon]

Sorry, I thought you were talking about the battery terminal. Which terminal are you thinking of (The orange wire on the truck is #4 (black) is the one for the battery, this image is from etrailer.com)

[Born To Run]

Originally Posted by nylyon

Sorry, I thought you were talking about the battery terminal. Which terminal are you thinking of (The orange wire on the truck is #4 (black) is the one for the battery, this image is from etrailer.com)

Nope this is not it.On my truck the centre pin is for aux power (orange),the blk 12v is at the 1:00 position.Thats a weird connector.My trailer interior lights did work with my old truck,now i have this ford,all works fine on the trailer,even backup lights,but no aux power.Where does aux power come from?

[nylyon]

The center pin on the stock 7-way is for backup lights. The 1:00 position on Ford's is the orange 12V Battery Charge wire and if the fuse and relay are working will provide 12V when the key is on. If you have a test light or meter, test the center pin key on, in reverse it should be live. The pin at 1:00 should be live with key on.

I recently tapped into the orange wire to install a 12v receptacle in the bed of the truck, that's how I found that my fuse was blown. Unless your receptacle was rewired, the orange wire should be at the 1:00 position, not in the center.

[forddieseldoctor]

it's not the center pin, check fuse 107, 27 and the relay is right next to fuse 11 in the fuse box. it's the position that the picture shows it.

[Born To Run]

Originally Posted by nylyon

The center pin on the stock 7-way is for backup lights. The 1:00 position on Ford's is the orange 12V Battery Charge wire and if the fuse and relay are working will provide 12V when the key is on. If you have a test light or meter, test the center pin key on, in reverse it should be live. The pin at 1:00 should be live with key on.

I recently tapped into the orange wire to install a 12v receptacle in the bed of the truck, that's how I found that my fuse was blown. Unless your receptacle was rewired, the orange wire should be at the 1:00 position, not in the center.

Ok,i made a mistake looking at the wires,you are correct.But i still have no power in my interior lights?