If this happened right after you replaced the + cable go back to the cable remove the positive lead from the batt check where you replaced it on the solnoid make sure the batt lead is the first wire to go on the terminal make sure it is solidely against the terminal then add the other wires and tighten making sure the wires will not move===check the other side if solnoid make sure that lead is tight === check negative side of batt making sure the terminal is clean and tight == then reconnect the a fully charged batt and try to start it

