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Throttle Position Sensor > < A/C - Won't Cool, Replace Switch & Add Heat Shield|Page 492

Electra V6-181 3.0L (1985)

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Power Steering Pressure Switch: Description and Operation

This switch, located in the power steering pressure line, is controlled by power steering pressure. This normally closed switch opens when hydraulic
pressure exceeds 300 psi. 

Throttle Position Sensor > < A/C - Won't Cool, Replace Switch & Add Heat Shield|Page 492