It is located in the fuse box under the plastic cover at the bottom of the dash. Make sure you don't have any burned out bulbs, as sometimes that will cause the others not to flash.
Either there is a wire lose or the flasher relay is not working right or lose in its socket.
More than likely a bad flasher relay for the turn signals. The hazard lights use a different flasher relay.
If a signal light stays on, but does not flash on a 1989 Pontiac, there could be a light burned out in the turn signals on the exterior of the vehicle. It is also possible that the flasher unit has gone bad. The flasher unit is under the dash on the driver's side.
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Your car uses a flasher which has 2 prongs and just unplugs. They are identical to the 4 way flasher in your fuse box but the turn signal flasher is usually located on or near the steering column under the dash.
Because it is
The turn signal flasher and the hazard warning light switch are combined into a rectangular plastic box unit. The front of the unit has the button for the hazard lights. It is located in the air vent on the right side of the instrument panel. The vent is easy to pry out, no screws. Disconnect the plug on the back of the unit. About $50 at parts store or pick one up at the salvage yard.
Flasher relay is defective.
No they are 2 separate things.
The flasher relay in Toyota Wil is in the signal light.
The turn signal flasher is located under the break lamps, u must remove the gray carpeting to have access to the lamps and the flashers. By twisting the black sockets u have access to the light bulbs.
The flasher is part of the hazard light switch.