Auxiliary wiring help (Optima yellow top died on me)

Get rid of of those crappy bolt on battery terminals. Take it to a shop and have them put some good crip on or solder on ends. Those are just a temporary fix a best. They lose contact or corrode where the cable meet the clamp.
Or put all new battery cables if the old ones are too short.
 
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Get rid of of those crappy bolt on battery terminals. Take it to a shop and have them put some good crip on or solder on ends. Those are just a temporary fix a best. They lose contact or corrode where the cable meet the clamp.
Or put all new battery cables if the old ones are too short.
X2, crimp-on is the way to go. Soldered is not, however, the way to go. Crimping is a far more reliable choice and doesn't cause stress risers like a soldered cable connection does.