were is the diagnostic plug in on a 1993
i need to know were the diagnostic plug in on a 1993 dakota 3.9 liter , mine is acting like the fuel pump is going bad had to smack the tank the other day to get it ti start , no fuel at all going into carb, ran for about 5 mins then it was like someone pinched the fuel off it quit and just cranked and cranked , went out today and it fired right up



