Which wiring connection is critical for the safe operation of a remote starter?

For the safe operation of a remote starter, all wiring connections play crucial roles in ensuring the system functions correctly and safely.

The connection to the parking lights is critical because it allows the remote starter to activate visual indicators when the engine is started remotely. This prevents the vehicle from being inadvertently started while in gear, which is a vital safety precaution.

The foot brake connection is equally important. This wire serves as a safety feature to prevent the remote start function from engaging if the vehicle is already running or in a scenario where a driver inadvertently presses the brake pedal. This safeguard ensures that the vehicle does not start in an unsafe condition, such as with the transmission in gear.

The starter wire connection is, of course, essential because it is the primary wire that engages the engine starter when the remote start function is activated. Without this connection, the remote starter would be unable to start the vehicle's engine.

Hence, all these connections—parking lights, the foot brake, and the starter wire—are critical to the safe operation of a remote starter system, making the option that includes all of them the correct choice.