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  #1  
Old 06-08-2011, 08:49 AM
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What is this Plug?

I was re-routing the block heater cord the other day when I noticed this plug under the hood, right behind the driver side headlight.

Anyone got any ideas what it is for?




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Old 06-08-2011, 08:59 AM
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I asked the same question and never found out!

What is this plug for
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Old 06-08-2011, 09:18 AM
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optional fog lights maybe? is it just on one side? where does the harness go?
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Old 06-08-2011, 10:29 AM
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Yes it is on one side only. The wiring for it goes Into the main harness that runs across the top of the header panel.
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Old 06-08-2011, 10:54 AM
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Do your trucks have ABS? Because to me it sure looks like an ABS plug.
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Old 06-08-2011, 11:05 AM
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ABS was only offered on the rear of the trucks and the harness attaches to the core support right behind the driver headlight.

I tested it with the ignition on and nothing was hot, but I did not test it with the headlight switch turned on. Seems all the trucks I have thought to check for it have it though. Originally I was thinking it may be for a PTO device or a temp sensor for a rear view mirror that displays temp possibly.

Last edited by OverkillMotorsports; 06-08-2011 at 11:22 AM.
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  #7  
Old 06-08-2011, 02:38 PM
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I was wondering the same thing recently, I'm wondering if the harness is a universal type and that plug has a function on a different rig, say F150 or Bronco.
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  #8  
Old 06-08-2011, 03:30 PM
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my f-150 doesnt have one like that at all up front, its a 95, im gonna check my truck now and see if its there too
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Old 06-08-2011, 04:51 PM
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I believe its for the daytime running lamps. Feeds the module. The sold in Canada rigs had to have them.
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Old 06-08-2011, 05:52 PM
Can you hear the derail??

 

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could we install them on our US rigs?
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