Anyone have really good operating instrucitons for GT550W?
Does your Buick have a cigarette lighter that only works when the car's running? If so, that's a good circuit to tap into.
An alternative: if you take the car to a car-stereo shop, they ought to be able to wire it in.
THE LIGHTER SOCKET IS POWER ON ALL THE TIME.1) @M---, I have specially asked for the manual from manufacturer just now and you may downloaded English user manual for model GT550W
You may download here :http://speedy.sh/cnfwT/gt550w.jpg
GT550W is old model that does not support GPS module,the same but upgrade model number is GT550WS,which can support GPS module.
Why you do not consider to stock 1pc GT680W,which also support GPS module,and we happens have special offer activity:
https://www.joovuu.com/gb/home/174-shadow-gt680w-car-camera.html at 25GBP only VAT prce.
2)Usually the car do not have power supply when it is not running,people buy Mini USB port hardware kit to connect with car power box to get permanant power.