Upfitter switches stopped working - Ford Powerstroke Diesel Forum
Please Visit our Site Sponsors
6.4 Electronics Discussion TV's, Radios, everything electric and NON-Performance.

Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
LinkBack Thread Tools Display Modes
Old 09-25-2012, 05:52 PM
Powerstroke.org Rookie

Join Date: Jul 2012
Posts: 14
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Upfitter switches stopped working

I have an 09 f350, I have 4 kc lights running off Upfitter #4, last night they worked fine, I stopped for fuel and when I got back on the road they wouldn't work. None of the other switches had power, I went out this morning and checked the wiring for a short and checked fuses, turned the switches on and they worked. Now none of the switches have power....I'm not sure what to think?
Reply With Quote Quick reply to this message
Sponsored Links
Old 09-26-2012, 09:23 AM
Compression Ignition Addict

Join Date: Jun 2007
Posts: 291
Thanks: 3
Thanked 0 Times in 0 Posts
Feedback Score: 1 reviews
maybe a bad ground!!!
Reply With Quote Quick reply to this message
Old 09-26-2012, 02:34 PM
Compression Ignition Addict

Join Date: Mar 2008
Location: Santa Rosa, CA
Posts: 1,359
Thanks: 0
Thanked 4 Times in 4 Posts
Feedback Score: 0 reviews
There is also a relay in your dashboard fusebox that powers the upfitter switches, look in your owners manual to find which relay it is. If it is going bad then you would have those same symtoms.

EDIT: Sorry, the 2008 and newer upfitters don't have a relay in the fusebox, only the 2005-2007 do.

Here is the wiring info for both styles of upfitter switches, hopefully this will help you out: https://www.fleet.ford.com/TRUCKBBAS/non-html/Q117.pdf

Last edited by GregsSD; 09-26-2012 at 02:59 PM.
Reply With Quote Quick reply to this message
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
What state or province do you live in?
Security Question
*Required, this field is not shown to others. Enter the last two characters of the word "Powerstroke"
Security Question #2
*Required, this field is not shown to others. "While balancing on a piece of wood, two inches by four inches known as a 2x4, john and his friend sally both spotted a dalmatian inside a truck with sirens, headed to put out a fire. State the animal mentioned in the sentence above."
Please select your insurance company (Optional)


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -8. The time now is 02:48 PM.

Powered by vBulletin® Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.