Corroded battery cable

[PILOON]

Also consider that often that corrosion has migrated a few inches beyond the terminal so you'd be advised to peel back insulation for a closer check.

 

[k0ua]

Also consider that often that corrosion has migrated a few inches beyond the terminal so you'd be advised to peel back insulation for a closer check.

Yep. nearly always better to get a new one vs. trying to put a terminal on. Then completely cover the new one with NO-OX-ID. Problem will never return. I guarantee it.

Amazon.com : no-ox-id