Battery Cable terminations?

[Grumpy old man]

Originally Posted by Hatzman

Hello!

I placed my battery tray on the frame rail behind the passenger side of the cab. I ran the ground all the way to the block. I also ran the power to the starter and then to a bulkhead I made and mounted mega fuses to it. The bulkhead his hidden on the inside of the frame rail opposite the power steering box. I have attached photos for reference.

I have to ask WHY ? What happens when the battery goes dead or the fuse blows ? Do you lay on the ground to hook up jumper cables or call a wrecker
? With all that wire length is there a parasitic drain ?