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What is this plug?

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Old May 4, 2018 | 05:35 AM
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What is this plug?

So i’ve been scouring the inter webs and my manuals but can’t same to find the wiring group in the picture. It plugs into a blank slot on the back of the dash near my 12v power port.
This is on my 2000 F350 XL with a 7.3 and 4R100.
 

Last edited by Bigblue73; May 4, 2018 at 05:36 AM. Reason: Forgot vehicle type.
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Old May 4, 2018 | 05:46 AM
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4 wire... could be for trailer brake controller... aka Towing package..
 
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Old May 4, 2018 | 08:08 AM
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Thats for the passenger airbag switch. Is you truck a crew cab? If so they do not put the switch there as small children should not be in the front seat of a crew cab. My 2002 F350 has that plug as well with no switch.
 
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Old May 4, 2018 | 08:47 AM
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It's pretty common to find dead headed connectors in the dash; Ford builds a limited selection of harnesses and at some point they come with all the gizmos; whichever options plug in, do, and the ones that aren't there don't.
 
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Old May 5, 2018 | 08:59 AM
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Evan_P thanks and yes my truck is a crew cab and does not have the airbag switch on the dash at moment.
 
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