How do I properly lengthen my alternator cable?

[LJGreg]

As part of my York install, my alternator had to be relocated. My alternator cable is now about 6" to short - even after trying to get slack from the harness. What would be the proper way to lengthen? Should I just cut the terminal off, butt connect a new length and adhesive heatshrink it? Or is there a better way?

 

[AndyG]

Hang in there , someone will answer it with good experience .

 

[BuildBreakRepeat]

As part of my York install, my alternator had to be relocated. My alternator cable is now about 6" to short - even after trying to get slack from the harness. What would be the proper way to lengthen? Should I just cut the terminal off, butt connect a new length and adhesive heatshrink it? Or is there a better way?

Personally I would use the opportunity to upgrade the cable size and connections. If you don’t want to do that, I would use high quality large pressure crimp connectors (@mrblaine has some recommend on here) with a good amount of heat shrink covering the entire connection and then some.

 

[BuildBreakRepeat]

Blaine has some input on why the larger cable and connections thing is irrelevant. He schooled me on it in my old build thread.

I’m planning to run a higher amp alternator for my on board welder so for me, it makes sense - for sure not all

 

[toximus]

Unless you have the high pressure crimping tools already or plan to make more cables you're probably best off buying the cable.

I have used https://www.custombatterycables.com/ for my build and they did a good job. Make sure you tell them that you want the cable sized for the stock alternator (not durango alt, unless that's what you have) and that it is a alternator cable so it needs a fusable link.