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Old Feb 16, 2021 | 08:42 AM
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Wires?




2017 f350 xlt 6.2. Anyone know what these 4 capped off wires may be? They are on the passenger side by the fuse panel. I don’t have upfitter switches.
 

Last edited by apstang50; Feb 16, 2021 at 09:04 AM. Reason: Added content
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Old Feb 16, 2021 | 08:43 AM
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Search for "Pass Through Wires ".
 
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Old Feb 16, 2021 | 08:46 AM
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Originally Posted by ford390gashog
Search for "Pass Through Wires ".
Bingo!

Safe travels,
Jim / crewzer
 
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Old Feb 16, 2021 | 09:03 AM
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Pass through wires?
 
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Old Feb 16, 2021 | 11:41 AM
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Originally Posted by apstang50
Pass through wires?
4 wires pre ran to other side of firewall. They are there to hook up accessories. Short but useful vs drilling a hole in the firewall or poking a hole in a rubber grommet.
 
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Old Feb 16, 2021 | 01:22 PM
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Wow, I learn something everyday.

Thanks
 
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Old Feb 19, 2021 | 03:07 PM
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So I can find the other end of these wires capped off in the engine bay on the pass side?
 
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Old Feb 19, 2021 | 04:10 PM
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Originally Posted by apstang50
So I can find the other end of these wires capped off in the engine bay on the pass side?
Yup

You will find a similar bundle to your picture directly behind the fuse block on passenger side next to firewall. Reach down to the right side of the box and you should feel the wires. They are short and some people like to pull the wheel well liner to get to them, but isn’t necessary.
 
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