Let's say your truck does something weird and you need a snapshot of the data when it happens.
Well, reaching for the computer or handheld is risky at best.
EFILive V2 has something that might interest you.
Hook a wire to your horn fuse, and bring it into the cab. Screw it into one of the orange plugs, and the other lead will go to ground, like under the dash, or the cig lighter lip.
When you want to mark a spot on the datalog, just hit the horn briefly. Make sure you selected the EXT.SW1 PID (12v switch) and plug the orange doodad into the SW1 socket.
Well, reaching for the computer or handheld is risky at best.
EFILive V2 has something that might interest you.
Hook a wire to your horn fuse, and bring it into the cab. Screw it into one of the orange plugs, and the other lead will go to ground, like under the dash, or the cig lighter lip.
When you want to mark a spot on the datalog, just hit the horn briefly. Make sure you selected the EXT.SW1 PID (12v switch) and plug the orange doodad into the SW1 socket.
