GMC 2003 Sierra - Manual (Page 438)

Front Turn Signal, Sidernarker and
Daytime Running Lamps
A 3id0inarker Lamp
B- RotsinorCtIp
C. Fnorit Turn Signal Lamp
D. Daytime Runnmg Lamp
1. Remove ihs tieadlamp assembly as mentioned
previouslyn
2. Press ihe releiner clfp, located behind the turn
signal housing, towards Ihg outside oi (he vehicle
3, Pull the turn signal housing out tirom the vehicle.
4. Press the locking release lever, turn the bulb socket
counterclockwise and remove tt from Ihe lum signal
housing.
Remove the old bulb from the bulb socket.
6. Pul the new bulb into the buib sochel Use care not
to touch the buth wilh your fingers or hands.
7. Pul the bulb socket Into the torn signal housing and
turn it clockwise until it locks.
&. Pul the turn signal housing back onlo the vehicle
pFgcir>g the hook and posts on the inner side into
the alipnoiend holes first and then Ihe outer side into
the retainer bracket. Push until you hear a dick.
Pul the headlamp asaembty back Into the vehicle.
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