E-1 Check For Open "I" Circuit
^ Remove three-pin alternator regulator connector.
^ Turn ignition switch to RUN.
^ Measure voltage at wiring harness "I" terminal, Circuit 904 (LG/R).
^ Is voltage greater than O V?
YES -- Go to E2. E-2 Check For Burned Out Lamp
NO -- Service open in circuit 904 (LG/R).