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I'm in the process of upgrading the grounds, battery participation, and high output alternator wiring based on Jack's superb info on the subject. I feel compelled to upgrade my battery terminals in the process, if for no other reason than to declutter them. My OCD likes these copper terminals from toomakermetalworkz, but my wallet does not at $100/pair.
The other option is the Chinesium 6061 terminal blocks for $20/pair off Amazon. Aluminum doesn't conduct nearly as well and there is always an oxide layer that forms, but these blocks are fairly big with a high cross sectional area. People seem to use them quite often with good results. Are they acceptable for the 6.0 and does anybody have any showstopper concerns with using them? Any other affordable options that I should consider? I like having multiple individual ring/lug connections. Thanks in advance.
The only problem I have with the Amazon-type terminals is they dont have a lot of clamping range. Look at the photo and you will see a small gap on the end of the terminal where the screw will draw the terminal tight around thge post. Compare that to the gap on the copper terminals. Also, my Amazon-type terminals came with inserts to help take up space due to the small clamp adjustment range so that adds a layer of possible corrossion or poor conductance. I can't get the negatinve terminal clamp to tightly grab the post. It clamps, but I can work it loose by hand if challenged to. Note the + and - terminals are different diameters.
So, if you want terminals the clamp really tight, don't choose the inexpensive ones.
Last edited by Don Ridley; Jun 6, 2026 at 05:33 PM.
I'm in the process of upgrading the grounds, battery participation, and high output alternator wiring based on Jack's superb info on the subject. I feel compelled to upgrade my battery terminals in the process, if for no other reason than to declutter them. My OCD likes these copper terminals from toomakermetalworkz, but my wallet does not at $100/pair.
The other option is the Chinesium 6061 terminal blocks for $20/pair off Amazon. Aluminum doesn't conduct nearly as well and there is always an oxide layer that forms, but these blocks are fairly big with a high cross sectional area. People seem to use them quite often with good results. Are they acceptable for the 6.0 and does anybody have any showstopper concerns with using them? Any other affordable options that I should consider? I like having multiple individual ring/lug connections. Thanks in advance.
I use ox-gard for high amperage aluminum connections:
I'm in the process of upgrading high output alternator wiring... I feel compelled to upgrade my battery terminals in the process, if for no other reason than to declutter them.
The other option is the Chinesium 6061 terminal blocks for $20/pair off Amazon... does anybody have any showstopper concerns with using them?
One concern that could be a show stopper is the multitude of exposed hot terminals without any protection from inadvertent dead shorting from tools.
Another concern that could be a show stopper is fusing.
Both concerns can be addressed with a fully covered multi-post Marine Rated Battery Fuse holder.
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