I had trouble not being able to connect battery do two negative terminal sparkage and Welding to terminal.so I took wires off of starter solenoid reattached them making sure they didn't touch cause things were kinda of close down there.I was able to reconnect battery & she started right up,I drove for about a mile only had truck on for maybe five to eight minutes and got out looked under hood and appears to be smoke coming from oxygen sensor & engine area above this was really hot as well I'm a beginner I'm a newbie! Please someone help, any ideas!