Hi,
Does the rubber boot of a H4 Halogen replacement headlight fit on a Fiero without any mofification?

Thanks

Welcome to the Forum!

Original Fiero headlights are sealed beam bulbs (lens, reflector, and bulb all in one piece), and it looks like the Halogen H4 is a bulb only.

Look up AC Delco H6054

[This message has been edited by Gall757 (edited 05-13-2014).]

I'm considering the Rampage 5089927, which converts our Fiero sealed beam to halogen. I'd then replace the H4 bulbs with HID (requires a ballast).

Has anyone done this?

quote Originally posted by notaguru: I'm considering the Rampage 5089927, which converts our Fiero sealed beam to halogen. I'd then replace the H4 bulbs with HID (requires a ballast).

Fiero OE bulb is H6054... All came with Halogen bulbs in a seal beam envelope.
Sylvania and others still make better H6054 bulbs.
Also See my Cave, Headlights

Do Not put HID to replace H4 or other way around.
Most housings can take them but focus etc are wrong and causes major glare problem.
Many HID on Ebay etc are sold w/ Halogen housings. Not a good thing most cases.

Google Rampage 5089927 and read review...

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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)

The Ogre's Fiero Cave (It's also at the top and bottom of every forum page...)