It's probably the battery is dead.
doese it have gas and fire
wont start
How to install a battery?
the battery is flat
1997 fordexpedition wont start and the theft light is flashing
change fuel pump
needs a ignition cylinder and has to be reprogramed.
Purchase a spark plug spark checker at your local auto parts store, unplug each plug and check for fire to the plug while turning over.
Put gas in it.
Does it turn over? Is it getting fuel? Is it getting spark?
Then turn it off after it is put into park
check all the fuses.
no it wont hurt the jimmy