What is this door in the left rear inside?

[89Suburban]

Anybody know the part numbers for the locking knobs for it? @915_Tahoe ?

 

[Fubar0715]

I keep a couple bungee cords and a small bottle jack in there. If I could get my shrink ray working, it would be the place to keep my floor jack! Damn science and math skiillz fail me again!!!

 

[gooffeyguy]

I keep the 300w Pure Sine Wave inverter in there that the kids use on trips to power their game consoles (XboxX, PS4, etc)

I tried to put a set of jumper cables in there, but only thinner, shorter cable sets will fit, like 12' 8 gauge and not the bigger 20' 2 gauge set I have.

 

[Doubeleive]

Recently on of the 2 knobs holding this panel door on broke and it kept flopping open so I took it off until I can fix it. Don’t even know what is supposed to be stored in there.

Any insight as to why it is there and any parts to fix it?

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[bobo49505]

i put my trailer cable in there

 

[89Suburban]

I just put screws through it to hold if closed f it...