MAP sensor location

A friend of mine asked me where the MAP sensor is located on a 1989 GMC Safari van. Any help would be greatly appreciated.

Should be mounted on a bracket r/s of throttle body, vacuum hose going to it is visible.

Just to clarify, right side sitting in the driver's seat

Just to clarify, right side sitting in the driver's seat
Yes ,that is always the correct reference to the sides in automobiles.