hello all im looking for help from this great site. i have an 99 windstar lx 3.8 and im having an crank but no start problem. i removed an spark plug wire an grounded it an i had no spark. i was told crank sensor so i change that an no good. tested the coil pack tested good but changed that also checked the wires they are also good. i have power going to the coil pack so the relays must be good

so what am i missing thanks for you help