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Old 05-27-2013, 10:55 AM   #3
Keith Seymore
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Join Date: May 2009
Location: Motor City
Posts: 9,490
Re: any short boxes have roof lights?

Quote:
Originally Posted by 80SPORT View Post
RPO for roof marker lites was U01

Appears to have been available on all trucks including short beds

Only exclusions were YF5 California emissions???? without dual wheels
At the time California did not allow any "yellow" light to be visible from the rear, so the UO1 roof lights were not legal in California.

Tying the release to California emissions was a convenient way to make sure none got built for California use (even though it had nothing to do with Powertrain).

K
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