Today it’s always chaper to repair than replace. The decision is whether you want something less cantankerous or not. And whether you want new tech.
Dan at Red Rock Auto says he can clean and rejigger something for a fairly reasonable price. Also that I was right about its being caused by the battery repair, even though all the mansplainers said that’s impossible.
Humpth.
I’ve finished weeding my vegetable gardens. I’ll water them this evening, if it doesn’t rain.