Question about 1985 Pontiac Fiero

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Engine compartment lid of Pontiac Fiero

Does the trunk of the Pontiac Fiero only open by keys or is there a hidden lever. I know there is a button on the dash, but if the trunk key is missing and the button on the dash doesn't seem to work when the battery is hooked up then what does a person do?

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There are only 4 ways to open a Fiero trunk. With the key, with the electric trunk release, with a locksmith, and with a big hammer and screwdriver.

Some year Fieros required the parking brake be applied to activate the electric release, some had to be in park, and some of the early models would work just by pushing the button. The ground is through the latch, itself. If anything has gotten on the body portion of the latch and the trunk was closed, like a towel or plastic bag, that prevents the trunk portion from making metal to metal contact with the body striker, the release won't activate. If you can put power to the car, insert a key into the trunk lock, clamp one end of a negative jumper cable to it, and the other end underneath to some part of the frame. Hit the release button. This trick completes the ground circuit directly into the latch mechanism and bypasses the body striker plate.

If this doesn't work, remove the release switch from the dash, unplug it, and apply power with a 9V flashlilght battery to the terminals. You may have to play with the emergency brake handle during these processes.

Posted on Oct 06, 2008

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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.
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