Make sure the OBD2 block switch is set to "BATT" power. If it is, but the device does not power on then the vehicle has blown the fuse that powers the vehicle's OBD2 port. Replace the fuse and continue the installation.
Make sure the OBD2 block switch is set to "BATT" power. If it is, but the device does not power on then the vehicle has blown the fuse that powers the vehicle's OBD2 port. Replace the fuse and continue the installation.