Ihave a 1991 explorer with a 4.0 liter engine i changed the passenger side valve cover gasket .i numbered the spark plug wires as they came off the coil pack. but the numbers rubbed off now i can,t get it to crank iknow the firing order .i need to know how or where to start the firing obder on the coil pack?
Optional Information:
1991 Ford explorer 4.0
Already Tried:
the firing order starting from front of car left side of coil pack at bottom working up then top down .