It is either under the dash behind the glovebox or in the passenger side kick panel.
The horn is located in the engine compartment.
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 in the back of the engine near the distributor
It is under the housing that the upper rad hose hooks to.
It on the back of the coil packs going into the side of the block.
IT is located under the dash above the accelorater petel
under the drivers seat
Chevrolet Beretta was created in 1987.
Chevrolet Corsica was created in 1987.
well lets see in 1987 Chevrolet swtiched to throttlebody injection so the timing is computer controlled. So factory has no recommended adjustments.