GMC 2002 Savana - Manual (Page 303)

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4. Reinstall the new bulb into the socket and return it to
the headlamp assembly.
Front Parking/Turn Signal Lamps
To replace the front parking/turn signal lamps, do
the following:
1. Remove the outer screws from the parking/turn
signal lamp lens assembly. (There are either two or
four screws, depending on your vehicle’s trim level.)