Where is the isolation relay for the headlights on an 86 trans am located?

The isolation relay for the headlights on a 1986 Trans Am is typically located in the engine compartment, near the driver's side fender. It is mounted on or near the relay center, which houses various relays and fuses. To access it, you may need to remove the cover of the relay center. Always consult the vehicle's service manual for specific details and diagrams.