locate your fuse box it will be in their it will be round
The 1990 Chevy Lumina signal flasher unit can be found beneath the drivers side dashboard. The signal flasher unit will be above the brake pedal.
I have a 92 lumina 3.4 Mine was above the brake peddle
Defective flasher relay.
The flasher is located under the dash on the drivers side above the brake pedal. It should say flasher relay on it
Below left hand side of the instrument panel.
Behind left hand side of the instrument panel, mounted in the bulkhead
under the steering column remove the black plastic cover the screws i believe are 9/32. The flasher should be on the right side of the steering column. turn ign. on turn on turn signals and listen for the clicking sound
The flasher for the turn signals is located on what Chevrolet calls the convenience center. It is located behind the dash to the left of the steering column. It is anything but convenient to get to.
The Flasher Relay for the 98 Lumina Sedan, (and all 97-03 GM W-Body
In a 1999 Chevy Lumina, the hazard flasher button is located on the dashboard, typically to the left of the steering wheel. It is usually marked with a red triangle symbol. You can activate the hazard lights by pressing this button, which will illuminate all turn signal lights simultaneously.
Replace the signal flasher relay.
The flasher is mounted just to the left of the steering column. The turn signal and emergency flashers are built together on this model.