I had a problem with my '99 Miata needing frequent jump starts even though the battery is only about 18 months old. My mechanic did a parasitic load test and found that my aftermarket stereo was responsible. He pulled the fuse and since then the car starts like a champ. So my question is, how can I…

Car stereo parasitic battery draw

Tester February 9, 2015, 3:01am 2

What’s probably happening is the stereo isn’t going to sleep once the vehicle is shut off causing the current draw.

A new stereo fill fix that.

Tester