So I made a quick trip to the shop to test main ground cable....Im not exactly sure what I should be testing it under. I used the OHM scale and It showed 0.2 on the mulitmeter. I also Checked Voltage on the battery without anything hooked to it. It produced 12.36V volts on the bench which its been in the truck uncharged for about 3 weeks and various key cycles while doing various test/checks. I also checked it in the truck with everything hooked up and key in OFF position it showed 12.02V.
If any of that means anything let me know what you think........ Any recommendations for a battery, Local Costco has Interstate Batteries for $109. Im gonna try a new battery and thinking about doing a Big 3 Upgrade on the Cables.