98 malibu wont stay running and the gauges dont qork

my sister has a 98 malibu she took oit in and the said her ignition module was bad they replaced it and they pulled it back out cause it still didnt run. the car is a basket case looks nice runs like a pos. the current two issues are, will not stay running and the gauges dont work none of them do. no check engine light or nothing .please help i changed the engine computer and tried the passlock reset thing to no avale please any help at this point will help!!!!!:banghead::banghead: