K 2500 Truck 4WD V8-379 6.2L DSL VIN J FI (1992)
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Shift Solenoid: Testing and Inspection
Shift Solenoid "B" Circuit Check
Shift Solenoid "B" Circuit
Circuit Description:
The shift solenoids are used inside the valve body to control spool valves which determine the transmission gear.
Fused ignition is supplied to solenoid "B".
The PCM/TCM will engage "B" by grounding CKT 1223 to energize the solenoid.