tracker

Hi all, I am about to install a GPS tracker. 12V continuous and ground is no problem but the relay type tracker has also a signal input for engine running / (15) What is the best place in the space around the main fuse block under rear seat to acquire the signal Ignition / Engine...

Has anyone ever thought of using a discarded cell phone as a GPS tracker or theft detector? It has everything built in: A GPS chip, a battery, a low-power design for longer battery life, and a sim card with GSM access. And there seem to be some apps for this purpose. Does anyone have any...