Where is the Chevy express turn solenoid?

The turn signal solenoid in a Chevy Express, commonly referred to as the turn signal switch, is typically located on the steering column. To access it, you may need to remove the steering wheel and the column covers. It's important to follow proper safety procedures, such as disconnecting the battery, before attempting any repairs in that area. If you're unsure, consulting the vehicle's service manual or a professional mechanic is advisable.