It's part of the hazard switch. have to take trim panel off to replace it .Apply the parking brake.
If the vehicle is equipped with a column shift, position the transaxle shift control indicator to 1.
Adjust the steering wheel for access.
Using a small, flat-bladed tool, gently remove the bezel from the ignition lock cylinder.
For the Impala, remove the right and the left access covers from the instrument panel (IP) fuse block.
For the Monte Carlo, remove the left access cover from the IP fuse block.
Remove the steering column filler. Refer to Steering Column Opening Filler Replacement .
For the Monte Carlo, open the instrument panel compartment door.
Remove the trim plate screws from the IP cluster.
Start at the left side of the IP cluster trim plate. Grasp the trim plate and carefully pull rearward. Disengage the IP cluster trim plate in order to easily access the hazard warning switch
Disconnect the electrical connectors from the hazard warning switch.
Remove the hazard warning switch from the IP cluster trim plate.
It's probably the switch on the steering column ! An not the flasher but you never know without testing .
Turn Signal Lamps and/or Indicators Inoperative
Step
Action
Yes
No
Schematic Reference: Exterior Lights Schematics
1
Did you perform the Lighting System Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Lighting Systems
2
Turn the ignition to the ON position.
Place the turn signal switch to a turn left or a turn right position.
Do the turn signal tamps flash ON and OFF?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3
3
Disconnect the hazard switch.
Connect a test lamp between the TURN SIGNAL Fuse battery positive voltage circuit and ground.
Does the test lamp illuminate?
Go to Step 4
Go to Step 7
4
Reconnect the hazard switch.
At C201, connect a test lamp between the turn signal flasher supply circuit and ground.
Does the test lamp flash ON and OFF?
Go to Step 5
Go to Step 6
5
At C201, connect a test lamp between the turn signal flasher supply circuit of the hazard switch and inoperative turn signal lamps supply voltage circuit.
Does the test lamp flash ON and OFF?
Go to Step 9
Go to Step 8
6
Test for a high resistance or an open in the turn signal flasher supply circuit. Refer to Wiring Repairs and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 10
7
Repair a high resistance or an open in the TURN SIGNAL Fuse battery positive voltage circuit. Refer to Wiring Repairs and to Connector Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 11
--
8
Repair a high resistance or an open in the turn signal lamps supply voltage circuit. Refer to Wiring Repairs and to Connector Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 11
--
9
Replace the turn signal switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column.
Did you complete the replacement?
Go to Step 11
--
10
Replace the hazard switch. Refer to Hazard Warning Switch Replacement in Steering Wheel and Column.
Did you complete the replacement?
Go to Step 11
--
11
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2
×