The Saab owners manual says that the same
bulb fits both front and rear turn signals on the OG9-3. When
upgrading the stock orange bulbs to the Silverstars, I found
this was not true. In Europe and some other markets the same
bulb is used front and rear. But for US spec cars, the fronts
use a double filament bulb that acts as both a parking light
and turn signal, while the rear uses a single filament bulb
that is a turn signal only.
For the front you will want to look for
1157, and the rear you will want 7507.
I could not find the 1157 in stock locally
so I ordered directly from sylvania.com's web shop and the
bulbs arrived within a few days.
-submitted by abdukted1456
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