Best place to pass Amp power wire into cab

[Pinger]

Visible in all three photos below, on the driver's side, where the battery is on the other side - what is that?
All I have on my 1999 Suburban there is a tray. Is there some kind of box there on yours? Tool box?

You must be registered for see images attach

You must be registered for see images attach

You must be registered for see images attach

 

[df2x4]

Visible in all three photos below, on the driver's side, where the battery is on the other side - what is that?
All I have on my 1999 Suburban there is a tray. Is there some kind of box there on yours? Tool box?

I believe what you're referring to is the underhood storage box. Fairly common on the '96+ trucks.

(Not my picture, stole it from Google.)

You must be registered for see images attach

 

[Pinger]

I believe what you're referring to is the underhood storage box. Fairly common on the '96+ trucks.

(Not my picture, stole it from Google.)

You must be registered for see images attach

That's the badger - cheers!
Mine has been binned I think. Probably because mine has the LPG (propane) electronic gubbins there.

 

[kennythewelder]

Visible in all three photos below, on the driver's side, where the battery is on the other side - what is that?
All I have on my 1999 Suburban there is a tray. Is there some kind of box there on yours? Tool box?

Yes, its an OE storage box.