Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
I would imagine something like this would do the trick (but ive not seen the back of a 197 stereo so can't say for sure).... http://caraudiosecurity.com/shop/product/products_id/8694.html ... would personally run it past MTAUDIO on here - he may even have something more suitable for your needs