Adding bed lights to XLT
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Cross-Country
Joined: Jul 2023
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Adding bed lights to XLT
I am wanting to add the OEM bed lights to the bed corners. I have the lights and switch. Does anyone have the part #s for the wiring harnesses for each side? I don't think I have the right "crossover" harness so I might even need that one too. I looked online and can't find a diagram showing anything. Any help is appreciated.
2023 F250 XLT
2023 F250 XLT
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Cross-Country
Joined: Jul 2023
Posts: 80
Likes: 18
I have two harnesses from Ford, one for each side... but there is no where for them to plug into under the bed. May just wire them direct or attempt to locate which wire(s) can be tapped into. There is a F150 video showing a couple of pins they used to supply power after activating with Forscan.
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From: Lake County Ohio
I wouldn't mind a copy of the manual.
Cargo Master
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From: Kaufman TX
Yes please.
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Laughing Gas
Joined: Jun 2023
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From: McKinney, TX
OK... here's what we have...
It looks like the leads for the rear bed lights T off of the harness for the taillights.
Pass side, looking back... the black plug is the connector that goes to the Passenger side bed light, the rest of the harness feeds the tail lights, off of the conduit sheathed in orange (to go back under the bed to the driver's side.
...and a look up the side of the bed to the light...
Drivers side plugs... again, the small, 2-wire connector, T-ing off the taillight harness, feeds the driver side bed light...
My thought is... if those plugs are there, you are golden. If they are not, you'll have to wire them directly.
It looks like the leads for the rear bed lights T off of the harness for the taillights.
Pass side, looking back... the black plug is the connector that goes to the Passenger side bed light, the rest of the harness feeds the tail lights, off of the conduit sheathed in orange (to go back under the bed to the driver's side.
...and a look up the side of the bed to the light...
Drivers side plugs... again, the small, 2-wire connector, T-ing off the taillight harness, feeds the driver side bed light...
My thought is... if those plugs are there, you are golden. If they are not, you'll have to wire them directly.
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Laughing Gas
Joined: Jun 2023
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From: McKinney, TX
One other thought...
That last photo... and I'm sure it's the same on your truck... on the inside of that frame member to the left is all of the plugs coming from the main harness. Chances are, the harness that feeds the taillights, is the same harness that feeds the bed lights... it's probably hot all the time, regardless of key position. You could get the harness section that goes from the plug... to the taillights/bed lights. You would have to drop the spare tire, and maybe pull the bumper.
Let me know what you find on your truck... if you need me to trace some more wires, let me know.
That last photo... and I'm sure it's the same on your truck... on the inside of that frame member to the left is all of the plugs coming from the main harness. Chances are, the harness that feeds the taillights, is the same harness that feeds the bed lights... it's probably hot all the time, regardless of key position. You could get the harness section that goes from the plug... to the taillights/bed lights. You would have to drop the spare tire, and maybe pull the bumper.
Let me know what you find on your truck... if you need me to trace some more wires, let me know.
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Cross-Country
Joined: Jul 2023
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@Charlie98 Thanks for the pics!
I don't have the plugs for the bed lights to plug into. Read on another forum post that there are variants of the crossover cable and some had to update that cable as well. I think I have decided to make my own harness to connect the cables I have directly to the main harness at connector C408. The wires are there coming from the Body Control Module, pins 7 (lamp) & 19 (switch). Question now is how to enable them in Forscan as I can't find any option for Bed Lamp or Rear Cargo Lamp/Switch. Might be a question for @ZooDad . Prior models had three settings to change under Body Control Module to enable lamps and switch but I can't find them there.
I don't have the plugs for the bed lights to plug into. Read on another forum post that there are variants of the crossover cable and some had to update that cable as well. I think I have decided to make my own harness to connect the cables I have directly to the main harness at connector C408. The wires are there coming from the Body Control Module, pins 7 (lamp) & 19 (switch). Question now is how to enable them in Forscan as I can't find any option for Bed Lamp or Rear Cargo Lamp/Switch. Might be a question for @ZooDad . Prior models had three settings to change under Body Control Module to enable lamps and switch but I can't find them there.
Laughing Gas
Joined: Jun 2023
Posts: 1,147
Likes: 643
From: McKinney, TX
It's just two wires... It shouldn't be hard. There is certainly power back there...
One thing to note... when you use the switch at the back of the bed, it also turns on the cab light in the center brake light... so there is more to it, I suppose.
One thing to note... when you use the switch at the back of the bed, it also turns on the cab light in the center brake light... so there is more to it, I suppose.
Thread Starter
|
Cross-Country
Joined: Jul 2023
Posts: 80
Likes: 18
One other thought...
That last photo... and I'm sure it's the same on your truck... on the inside of that frame member to the left is all of the plugs coming from the main harness. Chances are, the harness that feeds the taillights, is the same harness that feeds the bed lights... it's probably hot all the time, regardless of key position. You could get the harness section that goes from the plug... to the taillights/bed lights. You would have to drop the spare tire, and maybe pull the bumper.
Let me know what you find on your truck... if you need me to trace some more wires, let me know.
That last photo... and I'm sure it's the same on your truck... on the inside of that frame member to the left is all of the plugs coming from the main harness. Chances are, the harness that feeds the taillights, is the same harness that feeds the bed lights... it's probably hot all the time, regardless of key position. You could get the harness section that goes from the plug... to the taillights/bed lights. You would have to drop the spare tire, and maybe pull the bumper.
Let me know what you find on your truck... if you need me to trace some more wires, let me know.
