Dodge Caravan Blower Fan Speed Control

I Believe That One Segment Of The Blower Motor Resistor Is Out. I Can Not Locate It In The Van. It Does Not Appear To Be Behind The Glovebox...

The Heater Speed Control On My 2000 Dodge Caravan Works Only At Full Speed. What Can I Replace To Make The Lower Speeds Work?

The 3 Speed Control Doesn't Work To Start Heater. However, If I Go Over A Hard Bump In The Road, The Heater Fan Will Start. After Shutting...