It is either under the dash behind the glovebox or in the passenger side kick panel.
The horn is located in the engine compartment.
Classic Chevy Impala parts can be found online at AP Vintage & Classic Auto Parts. They carry OEM Chevrolet Impala restoration parts from years 1950 to 1987.
does not have one
The computer is located behind the glove box on the firewall.
on the fire wall ; on the left side .
It is under the housing that the upper rad hose hooks to.
It is in the back of the engine near the distributor
It on the back of the coil packs going into the side of the block.
under the drivers seat
well lets see in 1987 Chevrolet swtiched to throttlebody injection so the timing is computer controlled. So factory has no recommended adjustments.
IT is located under the dash above the accelorater petel
Chevrolet Corsica was created in 1987.