Originally Posted by autocar

f y i, I took my old siren that kept going off in the middle of the night like other people have had problems with and I took a coping saw and cut it around the circle of it in the groove until I was able to split into two halves and sure enough the batteries leaked acid all over the printed circuit board I cut and the batteries out of the unit cleaned off the board with baking soda and water then blew it dry and it looks good thinking I'd coat it with polyurethane and put it back without the batteries but I decided not to bother because it's a lot of work.to get underneath there again so now it stays on my bench looking pretty but I don't know if it's functional so I'm not going to bother. The actual answer is yes you get the goofy chirping on the batteries leak out all over the circuit board and short it out so just remove it disconnect it and
don't bother putting one back.