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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
Posts: 28,965
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Hot is not good. Is the negative side warm as well? Have you cleaned the terminal, post and all the wiring connected to the terminal?
Wonder if you do not have some corrosion somewhere around or inside where the battery terminal is and is generating heat. Take the terminal off and make sure that you have a good metal to metal contact area, and if its not a factory terminal check where the wires are secured and clean under where they attach. The place where the wires contact the terminal should be nice and shiny copper and if its not then make it so.
If you do not find anything at first you might check under the rubber insulation on the cables. I have seen them start to "bubble" due to corrosion inside and then its time to replace the cables.
Just a question, but what led you to see if they were warm in the first place? Problems in other areas? Never checked to see if mine are warm and not planning on doing so... every time I work with a battery I usually ruin a pair of jeans or shirt!
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2021 Subaru Legacy, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB
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