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3. Cable - The cable is used to transfer the high volt- age produced by the ballast module to the lamp/igniter. DIAGNOSIS AND TESTING HIGH INTENSITY DISCHARGE HEADLAMPS The High Intensity Discharge (HID) headlamps are supplied B+ voltage and ground, the same as normal halogen WARNING: The headlamp unit must be removed to perform these tests (Refer to 8 - ELECTRICAL/LAMPS/ 1. Inspect lamp for a burned out lamp. If lamp is burned out it will appear black or smoky, similar to a normal halogen bulb. If lamp looks OK, go to Step 2. 2. Check for B+ battery voltage at the connector going into the ballast module. Refer to Wiring Diagrams for con- nector location. If battery voltage and a good ground are present, go to Step 3. If B+ voltage and a good ground 3. Plug in a known good ballast module and check for lamp operation. If lamp lights, replace ballast module. If lamp still fails to light, replace igniter assembly. 8L - 94 LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION LX |