I am not an expert on the 1990 Grand Prix but on a GM product I would look for a round flasher assembly located near the fusebox downunder on the left side of the dash.
The 1990 Grand Am was a popular car. The curb weight of the 1990 Pontiac Grand Am was 2,739 pounds.
It has no relay.
No. there is no relay for the turn signals.
Under the hood in the fuse/relay module.
The PCV valve is located under the MAP sensor on a 1990 Pontiac Grand Prix. The MAP sensor is in the upper plenum.
The 1990 Toyota Camry turn signal flasher relay switch can be found beneath the drivers side dashboard. The turn signal flasher relay switch will be above the gas pedal.
yes it should bolt right up as well as the original motor and tranny
bulb or turn signal fuse/relay
clean out or replace the throttle body spacer...
Fuse or relay defective.
follow the top radiator hose to the engine.