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Home >> GMC >> 1982 >> Forward Control 6.2L Eng VIN J, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Diesel Fuel Injection >> Thermal Controller Check

Thermal Controller Check

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With connector removed from controller the controller heater circuits may be checked using a high impedance ohmeter. However, this check will not determine shorted switches within the controller.

Pin 3 - Pin 2.40 to.75 Ω Pin 5 - Pin 1 130 Ω ± 10% 

Pin 4 - Pin 5 27 Ω ± 3 Ω Pin 2 - Pin 6 Continuity ("O" ohms)