Ford F-250 & Ford F-350 The heavier duty full sized trucks from Ford, offering bigger, more powerful engines and drivetrains for the abuse they may go through in the workplace.

Upfitter switches

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Old Jan 8, 2020 | 06:34 PM
  #1  
Bryan Broyles's Avatar
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Default Upfitter switches

I am trying to add the upfitter switches to my 2015 F350 Lariet 6.7

I purchased the switch pack with no problem. BUT, when it actually comes to buying the wiring harness, it is unavailable! It is listed everywhere and on tons of sites, but I get out of stock and cancel my order.

Does anybody have either a harness, know where I can get one or lastly, how to make some sort of alternative?
 
Old Jan 10, 2020 | 07:43 PM
  #2  
hanky's Avatar
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Joined: Jun 2010
Posts: 16,567
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Hi Bryan,
have no idea what you might want to add that would require addl wiring and switches. I need to caution you that you could be creating unbelievable problems when introducing addl electrical operating items that could affect the "Network" composed of many modules that are extremely sensitive to voltage fluctuations within the system.
Things might work a day, week ,month etc., then the other modules respond and cause problems you would not believe. Please check with one or two Ford service depts before doing this and maybe they might be able to help prevent some problems up the road.
I can't put it any plainer, FORDS DO NOT LIKE ADD ONS !
 
Old Jan 11, 2020 | 03:23 PM
  #3  
Hayapower's Avatar
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Joined: Jul 2006
Posts: 7,555
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Your referring to the Upfitter relay box/harness?
 
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