Yeah I had this issue on my mk6 escort about 2 weeks ago! There is a metal plate connected on the positive side! When i went to the first motor factors who told me on the phone they had a battery suitable for square terminals blah blah blah...get there and he tells me i cant use the smaller cheaper battery as the plate wont fit...i knew this was crap as the battery i had on my car at the time was exactly the same So i thought sod it..left there and went to another store, who knew what they were talking about! The first one i went to told me that the square terminal batteries had been discontinued...but the second one told me this was wrong information ... so....

it is possible to change them over, its just like a bolt on type thing looks easy enough to do!

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