300D (124.133) L6-3.0L DSL Turbo (603.960) (1987)
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ECM Calibration Resistor: Testing and Inspection
Reference Resistor
1.
With engine off, disconnect the reference resistor.
2.
Check the voltage between terminals 1 and 2 of the reference resistor connector. If voltage reading is 5 volts, replace the reference resistor. If
reading is not 5 volts, check for and repair open circuit.
