Not to be nasty, but anyone running around with such an old battery in a car LOADED with sensitive electronics should not be surprised at ANYTHING.

Same can be said for allowing the battery terminals to look like they have dried out dog feces on them.

ALL computers need CLEAN, stable, filtered power. Your alternator puts out ripple-intensive DC and the battery is your main source of filtering.
(Outside of the filter networks on the module boards, the battery is the ONLY filtering you have.)



Turing off "preaching mode" now...