1998 Grand Cherokee Jeep Interior lights on while driving

you messed up the switch. there.

Check it out on you tube !

Has anyone suggested replacing the BCM (body control module)

You will need to remove the interior panle from the loft gate to axess the latch
there is 4 screws along the bottom of the panle to remove then carfuly pull the panle away from the lift gate there is plastic clips that hold the panle to the gate these may need to be replaced when re installing the panle they can be purchased at the jeep dealer.
now look into the lift gate and you will see where the handle rod conects to the latch lift on this rod and the gate will open
to replace the handle remove the 2 10 mm bolts and disconect the rod from the latch install the new handle and rod to the latch install the 2 10 mm bolts. install the panle and 4 screws
this should cover it

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I have a 1996 Grand Cherokee - the same problem, except my interior lights flash on and off at the same time. Did you get your problem solved?

the cargo light right at the back hatch is a switch...I have the same jeep and could not figure out how to shut off the lights, I figured this out after a while.

that sensor is part of the lift gate latch ...the whole assembly will need to be replaced