The Zt-3 Wideband installation is
very simple. Minimal installation involves connecting +12V and ground
wires and placing the O2 sensor in the exhaust stream. You are now ready to read AFR!
download the Zt-3 installation instructions.
Please read the instructions thoroughly before proceeding with installation.
An LED light is visible on the Zt-3 between the "Data" and "O2 Sensor" connector
locations on the Zt-3. When initially powered the LED will be a solid
light during oxygen sensor warm up. Several seconds later the LED will
begin to flash to indicate data is being transmitted on the serial data output.