The turn signal module is combined with the hazard light module. You need to remove the dash trim to get to it. It is right behind the hazard light switch.
It is combined with the hazard flasher module
Turn signal flasher is part of the hazard warning module and replaced as a unit
It should be located on the dash just up and left of the sterio near the instrument cluster
Defective flasher module - common problem
The turn signal flasher is combined with the hazzard switch. It is connected to the back of the hazzard switch.
The signal for the RPM is given off the ignition module
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Time to change your oil in your engine!
change the oil pump sensor.
On a 2004 Chevy Impala, the traction control sensor is located in the ABS pump module. On the driver side of the car, the sensor is located at the left center of the engine compartment with black wires hanging from it.
What is the lug pattern on the 2004 impala?
See Headlamps, Front Turn Signal, and Parking Lamps on page 5-53 of your "Owner's Manual", under Section 5: Service and Appearance Care - Bulb Replacement.....