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1972
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K25/K2500 Pickup 5.7L Eng, Standard Trans, Trans Mfr CD 435GL, LPG
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Transmission Controlled Spark System
Transmission Controlled Spark System
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Description
1970 TCS System
1972-74 TCS System
6-Cylinder & Small V8 Engines
Mark IV V8 Engines
Operation
Vacuum Advance Solenoid
Idle Stop Solenoid
1970 Temperature Switch
1972-74 Temperature Switch
Transmission Switch
1970 Relay Switch
1972-74 Time Delay Relay
Maintenance & Testing
Notes
Vacuum Advance Solenoid
Idle Stop Solenoid
Temperature Switch
Transmission Switch
1970 Relay Switch
1972 Delay Relay
1973-74 Time Relay