gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - A/T > < A/T - Holley Variable Pressure Control Solenoid|Page 4905
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Pressure Control Solenoid (PCS): Locations

Pressure Switch Manifold (PSM) Assembly

The Pressure Switch Manifold (PSM) Assembly is located on valve body assembly, inside the transmission, behind the transmission service pan. 

Relays and Modules - A/T > < A/T - Holley Variable Pressure Control Solenoid|Page 4905