When I changed my cigarette lighter in my 1997 Lincoln mark 8 my power locks and trunk stopped working and my information station has data error.How do I reset it.

based on the following link:
http://www.google.com/search?q=1997+lincoln+town+car/fuse.cigarette+lighter&tbm=isch&source=iu&pf=m&ictx=1&fir=GqaYZwd5ArGGCM%253A%252Cyljcnvp2Fjv7iM%252C_&usg=__LJAlrxD-O331_4koPCZDIcE8wgs%3D&sa=X&ved=0ahUKEwj2gLWji-fWAhXJKCYKHeWkBogQ9QEIKDAA#imgrc=WySe4ydAgH1j-M:
Fuse number 17 is a 30 Amp fuse for the cigarette lighter.
17 is no the top row second from the left.

#1: Panel Illumination
#2: Guages,Right High beam headlight and the high beam indicator
#3: Rear Wiper, Left headlight High Beam
#4: RH park, backup lights switch and relay,Speed porpotional steering module,power door lock switch illumination and daytime running lights(Canada)
#5: Power Door locks,Power Mirrors,vanity,dome,map,ignition and trunk lights,sunroof,radio,power antenna,body control module and power for the data link connector
#6:Heated mirrors,heated rear window indicator
#7: Instrument cluster illumination,park and tail lights
#8: Cigarette lighter,Radio Amp and horns
#9: Power door lock motors
#10: Not used
#11: Radio
#12:Left low beam head light
#13,14,15,16 not used

It really sounds like it is your cigarette lighter fuse, but could possible be a problem with the BCM. If you double check the cigarette lighter fuse and find it to be good, getting power in and putting power out. You might end up at the dealership for a BCM module diagnostic.

Your local walmart should have something called a "memory saver" in their display of battery chargers. Basically it plugs into your cigarette lighter and attaches to a 9v battery. Mechanics use them to keep radio stations and such in the cars memory while changing the main 12v battery. You might be able to plug this in and have enough juice to activate the power trunk release. Other than that if you had access to the engine you could connect the red jumper to the big wire coming from the alternator and the black wire to a suitable ground.

You should be able to pull down your back seat and pull the safety pull inside the trunk.

If you have an Auto club or Insurance policy for your car they often offer locksmith service.

You can try the button in the glovebox to release the trunk and some cars have a cable in the drivers door to release the trunk.

If these do not work you can get a portable jump plug through the cigarette lighter and get enough power to work the trunk release.

Your battery is dead and it is also in the trunk. The truck is electrically opened. Go to the local auto part store or walmart and buy a charger that plugs into the cigarette lighter. Once the battery charges a little, you can pop the trunk, get the manual, replace the battery, etc.

if you locate the fuse panel it should be marked either # 2-3 or accessories fuse marked on the cover

Buy or build a cigarette lighter plug to jumper cable adapter. It won't jump your car, but you will get enough juice to operate the trunk release.

Does your Fiero have a power trunk switch? I had the same problem where I locked the keys in the trunk and the battery was dead. I had a portable car jumper that had a cigarette lighter socket and basically hooked it up through the cigarette lighter in the Fiero. The power flowed from the portable jumper through the car to give it enough power to open the trunk. You could also splice a cigarette lighter cord to a battery and plug it in.
If you don't have power trunk then you may have to drill the lock. I have heard that Fiero's were all wired for power trunks but you had to pay for the "option" to have them put in the switch when they were band new. I wouls also suggest taking off the small trim panel to the right of the intrument cluster and see if there is a power trunk connector there. If there is then you could purchase a power trunk switch to pop the trunk. Unfortunately I own 5 Fiero's all of which came with power trunk so I was never able to verify if that rumor was true. Good luck.