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Home >> GMC >> 1984 >> Forward Control 6.2 J, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - 6.2L Diesel >> Trouble Shooting >> Thermal Controller Check

Thermal Controller Check

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