My hood release wire is broken on my 92 chevy lumina van and I was wondering if there was some way to get it open

Go to the link. Also it is a differnet model chevy but the job is the same in almost all respects.
DIY GMC Chevy Hood Release Cable Replacement How to Replace Broken Hood...

Does Lumina sedan have rear seat pass thru to trunk ?? if sedan then a pull tab will be in seat upholstery near shelf / by rear window . pull it crawl in with Light Plus friend on outside to hand tools .. IF VAN must remove interior panels to gain access .. Try small thin needle nose pliers to pick broken KEY Piece out of lock 1 ST . if successful spray in Lubricant before trying another key . BUT must be reason lock jammed -- Frozen by weather change or Mechanism Disconnected due to lack of lubrication or worse Plastic Parts used in assembly by Factory .. DRILLING Lock Out will get it Open but new / used parts to repair are now on your shopping list ..

from inside the van you should be able to remove the trim panel from the door, most are held by a couple screws, and built in clips, the panel should pull off allowing you access to the release mechanism.

My hood is stuck on my Ford Windstar van and I can't get it up from the last is broken and it won't pop up with the wire pulling this is another way to get it open

is it attached to the hood latch on the inside of the van if so it may be the latch under the hood if its not attched on the inside attach it to the hood latch puller

Take a flashlight and observe the latch, under the hood, and try to find what exactly is catching on what. Use a flat head screwdriver to pry away whatever is catching, and open your hood.

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Try spraying the latch mechanism with WD-40 or similar light oil and operating the release cable a number of times. Check the condition of the release cable if nothing happens. The latch itself may have a broken spring due to the low temps.

You'll have to see first if the cable has broken at the release lever, if so, use vice grips or something similar to pull on the cable that is sticking out & it should open it. Normally this works it it has broken as that is the wear point. If it isn't broken there or you can't see where it is broken, or even worse, it it is just loose, then you'll basically have to get access to that cable somehow & pull on it. There is the off chance that you can see the mechanism from the front through the grille & can fish the wire out to pull, or use a coathanger to pop the latch. If all else fails, you'll need to get the replacement part, then carefully cut through the cable you are replacing so as to preserve the inner cable enough to pull & open. The whole idea of the remote hood opening was to prevent anyone from easy access. good luck

depending on where the cable is broken your can still release and open the hood. if it is broken inside the van in the footwell is the easiest...locate the end of the cable and with a set of visegrips pull the cable to release the hood.

It on the fire wall. Look up under dash from under the hood. You'll need a 9/32 nut driver to loosen the screws.