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Hopefully understanding this correctly from the OP:

The camera wires existed for you up near the master cylinder, but not in the harness that goes from the connector near the master cylinder back to the spare tire. You tapped the two camera wires at the connector by the master cylinder, run a separate camera-only wire back to the rear of the truck, and wired up your own camera into the stock camera feed lines?

Also for clarity, c316 is the connector at the master cylinder and c406 is the one at the back of the truck?

So questions then:

1) Anyone have the wiring schematics for these trucks in various configurations?
2) Anyone have the part number for the harness with the camera wiring that goes from the master cylinder connector back to the spare tire?
3) Any reason you couldn't tap the camera wires at the master cylinder, run wires back to where the spare is, and then use the factory tailgate lock/camera harness to go from the new wires you added at the spare up to a factory camera?

My preference first is always the stock parts option, second would be stock camera/install with some additional wiring run.

 

So I successfully added an OEM camera to my 300a XLT.

I used a camera harness from a 13-16 F250 that had the correct 6 pin female connector for the OEM camera and then I spliced it into some shielded 5 conductor cable that I wrapped in loom and tape and ran to the connector on the inside of the fender.

I ran the ground to the bold by the air inlet, and I ran power from the fuse box via an add a circuit on fuse 37 (i think, its the one the camera is supposed to be powered by). I then spliced in the video +/- to the correct wires.

Everything worked for 2 weeks. Now it's telling me camera unavailable all the time. We did have some pretty bad rain last week, it started acting up after that so maybe I just have a dead camera mod.

I'm going to pull the connector and check voltage this afternoon but I'm looking for any other thoughts on the issue. I'll find some dielectric grease to help seal off that connector as well. All of my splices were done with heat shrink butt connectors.

 

Think I follow -

Used the stock camera compatible harness in the tailgate from a different truck

Spliced that harness into some stand-alone harness/wires that go up the frame rail to the front fender at the master cylinder

spliced the other end of that long harness into the c316 connector near the master cylinder

tapped power off fuse 37 and ground nearby

About right?

Were the proper wires for the camera already on the "other" (dash) side of the c316 connector, just not on the end that runs down the frame rail?

I would really prefer the full stock harness along the frame rail, but for the trouble of the install and the $150-200, it might be better to just run dedicated wires for the camera separate from the main stock harness.

thanks

 

You're correct. At the C316 harness I only had signal wires on the cab side, not the frame side of the harness. Those I tapped in with a scotch lock.

I replaced the butt connector for my power wire at the fender. I used a step down butt splice since my power wire was a bit larger than the one running to the back.

Seems that was all it was.

The part number for the F250/F350 camera harness is: FC3Z-14A412-A

It was less than $20 on ebay shipped.

 

10-4 thanks, so just 2 signal wires cab side of the c316 and you tapped them behind the connector. I guess the slots are just blanks on the frame side of the c316 (I will have to pull mine apart to look, anyone have the pin-outs for that connector?) and then at the c406 in the back. I think someone else mentioned that they are blocked in the connectors (kind of stupid) but if not, I wonder if you could pin in some wires there and tuck into the harness (or just loom and tape to the harness).

F250/350 harness the same as the 150?

 

I discovered that the video feed wires made it all the way to the LF fender and died there. Originally I intended to populate the wires into the back side of this connector and then down the frame to the tailgate. I aborted this mission when I found that the connector is plugged off and sealed. I suppose it would have been possible to carefully drill the connector out so that the needed wires could be fed into it but in the end decided that this method would be much more difficult, and risky to the harness, so I decided just to cut the video wires off before the connector and splice them the old fashion way.

 

Were you able to track down a wiring diagram (not just harness runs but wire/pin-outs for different systems)? Looking to try and tackle this relatively soon, will probably add the extra wires rather than trying to swap the main frame rail harness.

 

Anyone know of a (quality) non-OEM camera that will fit in the OEM tailgate handle w/ camera hole? The tailgate handle isn't bad at ~$35, would be nice to find an equivalent camera less than the $125 for the OEM version though (same image quality, field of view, etc).

 

I just added a rear camera with all OEM parts using the parts list from post 18. It is all plug and play although it is a bit of a pain to remove some of the old harnesses that need to be replaced with the new ones. Then just enable in Forscan and you are done. In hindsight I think tapping in with an aftermarket camera wouldn't be too bad either and is definitely cheaper but I wanted a clean harnessed install.