Notices
1999 - 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines
Sponsored by:
Sponsored by: Real Truck

Name the missing thingamabob

Thread Tools
 
Search this Thread
 
Old Apr 19, 2012 | 05:14 PM
  #1  
Sleepy4x4's Avatar
Sleepy4x4
Thread Starter
|
Freshman User
Joined: May 2011
Posts: 29
Likes: 0
Name the missing thingamabob

Hi all,

I bought a used 2003 F250 (SD, crew cab, V8 5.4L gas engine) a while back and am just getting around to wondering what these real important looking loose wires are. They're under the hood, back in the corner, on the driver's side near the firewall.



There's also this very empty looking bracket below the wires.



So, what am I missing, and is it, um, very important?

Thanks for any help.
 
Reply
Old Apr 19, 2012 | 05:28 PM
  #2  
Bigpipes 35's Avatar
Bigpipes 35
Cargo Master
10 Year Member
Liked
Loved
Joined: Feb 2011
Posts: 3,450
Likes: 13
From: Forest lake minnesota
The four wires are called blunt cut wires , they pass thru the firewall and come out under the dash. They look the same way under the dash and they are there for customer use so you dont have to try and pass wires thru the dash yourself , you can use any of those instead. As far as the bracket I will have to look at my truck and see whats there.
 
Reply
Old Apr 19, 2012 | 05:37 PM
  #3  
Sleepy4x4's Avatar
Sleepy4x4
Thread Starter
|
Freshman User
Joined: May 2011
Posts: 29
Likes: 0
Well THAT'S good news. Thanks! Maybe the bracket is for a flashlight
 
Reply
Old Apr 19, 2012 | 05:47 PM
  #4  
dchamberlain's Avatar
dchamberlain
Lead Driver
15 Year Member
Liked
Loved
Community Favorite
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
Club FTE Silver Member

The brackets are for auxiliary relay boxes. A diesel engine would have a box there with relays and a fuse for FICM power. Electronic Shift On the Fly 4WD would have a box there for shift motor relays.
 
Reply
Old Apr 19, 2012 | 06:37 PM
  #5  
Sleepy4x4's Avatar
Sleepy4x4
Thread Starter
|
Freshman User
Joined: May 2011
Posts: 29
Likes: 0
Cool. Maybe I will put a flashlight there! Thanks for the info folks. Much appreciated.
 
Reply
Old Apr 19, 2012 | 07:06 PM
  #6  
PA-Mark's Avatar
PA-Mark
Posting Guru
Joined: Sep 2011
Posts: 1,076
Likes: 0
From: Mt. Holly Springs, PA
Club FTE Silver Member

Check your owners manual for whats called customer pass through wires
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
whalerron
1999 - 2016 Super Duty
19
Dec 28, 2020 01:33 PM
swmpbgy1
Excursion - King of SUVs
9
Jan 24, 2017 01:03 PM
hunt3r
Electrical Systems/Wiring
9
Dec 24, 2009 02:58 PM
first_f250
1999 - 2016 Super Duty
6
May 13, 2009 10:51 AM
whalerron
Electrical Systems/Wiring
5
Apr 28, 2005 08:23 AM




All times are GMT -5. The time now is 08:07 PM.

story-0
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-1
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-2
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-3
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-4
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-5
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-6
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-7
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-8
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-9
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE