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Strange black box under hood

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Old 06-06-2013, 10:52 PM
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Default Strange black box under hood

I need help I noticed a black box on the driver side inner fender under the hood. It's just in front of the coolant reservoir it looks like it would be an area
Old 06-06-2013, 10:53 PM
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I looked everywhere to see what it is to no avail
Old 06-06-2013, 10:55 PM
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Yeah umm, ya might wanna take a pic and post it for an accurate answer.
Old 06-07-2013, 12:01 AM
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That's generally where an aftermarket air intake box would sit..... Assuming that's not the case for you? How big is it? Any lines coming from it? Pic?
Old 06-07-2013, 02:24 AM
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Could be the day light running light module, could be a tracking device, hid ballast.

Take a pic.

I don't see anything near the coolant reservoir stock.



Daylight running light module:


HID module:

Last edited by User-One; 06-07-2013 at 02:28 AM.
Old 06-07-2013, 05:46 AM
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That's not where my coolant reservoir is on my 2008 5.4...oops my bad...was thinking windshield washer reservoir.

Last edited by techrep; 06-07-2013 at 12:35 PM.
Old 06-07-2013, 06:47 AM
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Don't have my truck here but I think I remember there being a small fuse box there.
Old 06-07-2013, 09:07 AM
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I found a picture online because I'm at work and can't take a pic. The thing in talking about is on the inner drivers side fender just in front of coolant reservoir , it's just under the black hose. Also my truck doesn't have drl's, but I do have auto lights

Strange black box under hood-image-2673329180.jpg
Old 06-07-2013, 09:12 AM
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It looks like your other fuse box. Check your owners manual.
Old 06-07-2013, 11:07 AM
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That box contains relays for Day Time Running Lights and for the 4wd system. My truck came with DRL's and I have since removed the relays to disable it.


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