Headlamps Inoperative, Daytime Running Lamps (DRL) Operative. Oldsmobile Alero 1999

For 1990-2009 cars only

Makes 🢒 Oldsmobile 🢒 1999 🢒 Alero 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlamps Inoperative, Daytime Running Lamps (DRL) Operative

Step	Action	Value(s)	Yes	No
Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open.
1	Turn the headlamp switch to the head position. Use a test lamp in order to backprobe the turn/headlamp switch assembly connector C1 between terminal 35 and positive battery voltage. Does the test lamp light?	--	Go to Step 2	Go to Step 3
2	Replace the turn/headlamp switch assembly. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column-Standard pair complete?	--	Go to Daytime Running Lights (DRL) System Check	--
3	Repair the open in CKT 150 between the turn/headlamp switch assembly and ground splice pack G201. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?	--	Go to Daytime Running Lights (DRL) System Check	--