2004 cummins... gauges and lp not working... turns over no start
 

2004 cummins... gauges not working... lift pump not working... turns over great but its not getting any fuel... not sure what fuse it is for pump.. working in the cold snow .. would like any help... i accidentally disconnected the ground wires on both batteries while it was running.. didn't think anything of it and next day when i came oit hooked grounds up and then gauges didn't work and neither does the lift pump...