What are these unused plugs for?

[Rock Crawler]

I was changing the oil today and noticed these plugs with covers on the ends. There are two together and they are located on each side of the truck under the front doors. Just curious If anyone knows.

 

[HSKR R/T]

I was changing the oil today and noticed these plugs with covers on the ends. There are two together and they are located on each side of the truck under the front doors. Just curious If anyone knows.



View attachment 145473 View attachment 145474

Those were fr the active tuned mass dampeners trucks came with before the supply shortage where they now use the passive ones shown in your picture

 

[Rock Crawler]

Got it. Thanks.

 

[Dewey]

Hopefully they sealed those off properly to avoid moisture related electrical issues later.

 

[Rock Crawler]

They have a cap on them and I’m sure either the cap or plug has a seal of some sort.

 

[lapoolboy]

Could be for power steps?

 

[Rock Crawler]

Could be for power steps?

Nope. I have those.

 

[Rock Crawler]

I’m sure HSKR is right. I remember my 2020 having some sort of box / device in that same area.

 

[RAMonkey]

What do active tuned mass dampeners do, or passive ones, for that matter?

 

[Trooper4]

What do active tuned mass dampeners do, or passive ones, for that matter?

Just cost money

 

[HSKR R/T]

What do active tuned mass dampeners do, or passive ones, for that matter?

They help with reducing road noise and harmonics.

 

[Rock Crawler]

What do active tuned mass dampeners do, or passive ones, for that matter?

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