DaveK

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Same here! I’d say about a third of them took a push to seat them better, mostly the smaller ones. The larger fuses were fine.
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Radioguy

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Mine were the same. Definitely not loose enough to ever cause a poor connection but not seated all the way.
 

Oxford_Powerboost

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I wonder how many of the various electrical gremlins we see here can be attributed to this…can definitely see a fuse having a poor connection causing random trailer brake errors or lane keep errors etc
 

diesel97

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I tried chatting with Ford on the Ford pass app but they said they were having a technical problems so they couldn't transfer the chat higher up... then I got disconnected. I tried calling their 1-800 customer service number to start a case about this issue by recommendation of my dealer.. not luck got disconnected. I give up. I did speak with the service manager at my dealer and he said he would send an email to his contacts but who knows if that will happen... If anyone else has any ideas and wants to try and clue Ford in on this go for it.
there is a Ford rep that is on this forum
 
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Roady

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I wonder how many of the various electrical gremlins we see here can be attributed to this…can definitely see a fuse having a poor connection causing random trailer brake errors or lane keep errors etc
100% agree. I wasn't having issues and like others have stated here, most of mine just needed that final "click". But...... I had three fuses that were destined to fail at some point.
 

Roger1108

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PUBLIC SERVICE ANNOUNCEMENT: :)

If you currently own a 2021 F150, check the fuse block under the hood, on the passenger side, near the windshield. After seeing several comments about it, I popped my hood today and removed the fuse cover. I was astonished at how many fuses were not seated correctly. I estimate that 90 percent of mine were not seated. Three of them were barely making a connection. I'm positive that a well placed pothole would have taken them out completely at some point. This has been a common problem among 21 owners and has caused issues. So save yourself a headache later on and take 5 minutes to check. I'm betting most of you will find the same scenario I did.
OMG, almost all of my fuses were not seated either, thank you. GOOD find too!!
 

Dadofjax

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Almost all mine including the two big black square ones were loose. Pretty sad in terms of quality control but I'm sure Ford will just say "that's normal"
 

Rod507

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55 out of the 61 that I counted were loose, including the big block fuse…Crazy.not sure if by coincidence but when I pushed one of them I heard some clicking sound from the engine bay?
 

r150

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Add me to the list. Probably 75% weren’t seated all the way, including the larger ones.
 

BCP28

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Same here, checked both my Powerboost and my sister's 3.5L and pretty much all the fuses and relays needed a good push. Thanks for the PSA! 👍
 

Dixie

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My moonroof didn’t work when I got my truck home in April. The fuse in the passenger side footwell wasn’t seated correctly.
 

Duckgumbeaux

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Thanks for the warning. Checked mine this AM and over 75% were not seated completely. A mixture of large and small fuses
 

Duckgumbeaux

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Thanks for the warning. Checked mine this AM and over 75% were not seated completely. A mixture of large and small fuses
 

JeffC57

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Yes. Thanks for the info. About 50% of the fuses under the hood were not fully "clicked" in. Mostly the small guys. Hard to say if they would have worked themselves out in time. All the body control module fuses were completely seated.
Fuse box assembly is probably an automated process. Ford needs to have the machine push down a little harder.
 
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