It wasnt all that bad. I bought the under hood wiring harness for an F-body and there were just four connectors i snapped together. I then had to reroute five wires to the fuel pump and that was it. I still need to get some Autometer guages so that I can wire up the tach, speedometer, oil pressure, water temp, etc. But to get it running and driveable...it wasnt all that difficult. I had more routing issues than anything.