S15/T15 4WD P/U L4-121 2.0L VIN Y 2-bbl (1983)
EFE Coolant Temperature Switch: Locations
Fig. 52 EFE heater switch. 4-122
GMC Workshop Service and Repair Manuals
Sensors and Switches - Cruise Control >
< Coolant Sensor - Improved Kit|Page 109
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