No power to fuel pump and no spark
 

I have a 2002 dresser I got on it and it ran good for about 2 miles and the guages went crazy and it just quit fuel pump want come on and it want fire . I replaced the crank shaft sensor no luck ,replaced the fuel pump relay no luck , checked all the fuses they are all good , I can take the cover off the fuel pump relay and manually make the pump come on but still no spark . Any help would be greatly appreciated.