Parking Lamp Housing for 1968

Q: Parking Lamp Housing for 1968

I am confused about the one-bulb or two-bulb parking lamp housing.

A: Awhile back, there was much speculation about which 1968 Firebirds got the two-bulb parking lamp housings vs the one-bulb. I found the answer while reading the tech bulletins at firstgen. It was a mid-year change as well as a service swap-out.

[pdfjs-viewer url=/dtb/docs/68-I-17.pdf viewer_height=800px fullscreen=true download=false print=true]

A: Actually, it wasnt a midyear change…. more like a false start in production. Ive had several late Sept cars that had the single bulb and some early Sept cars that had the 2 bulb. This leads me to believe that it was used only for a few weeks in early production and when they ran out they were replaced with the “cheaper” version.

Here’s how this all happened. Model year of 1968 was mandated several safety changes/additions, one of which was front and rear side markers. PMD was unsure whether the front turn signal- parking lamp would be accepted as a side marker. When it was apparent that the side marker was legal without a separate bulb the first design was phased out. It was then that a replacement part superceded the earlier one.

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