What does the heater control valve look like on a 1998 Ford Ranger?

I know it is near the fire wall and vacuum operated but what exactly does it look like? Where can I find a picture of this item?What does the heater control valve look like on a 1998 Ford Ranger?
IT is a vale in line with the heater hose that goes into the fire wall it may be manually operated or electric solenoid or like you said vacuum operatedWhat does the heater control valve look like on a 1998 Ford Ranger?
New one from NAPA is about $25.


http://partimages.genpt.com/partimages/3鈥?/a>
Look on www.autozone.com has good pics.

one web hosting