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Test 30C - All Tail Lamps Out

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagram, see WIRING DIAGRAMS  . Perform TEST VER-1 after each repair.
  1. Reinstall fuse No. 10. Disconnect park lamp relay. See Figure . Check, clean and repair connections as needed. Measure voltage at park lamp relay connector terminal "A" (Pink/Red wire). If resistance is more than 10 volts, go to next step. If voltage is less than 10 volts, repair open in Pink/Red wire between park lamp relay connector and fuse No. 10. See Figure .
  2. Measure voltage at park lamp relay connector terminal "A" (Pink/Red wire). If resistance is more than 10 volts, go to next step. If voltage is less than 10 volts, repair open in Pink/Red wire between park lamp relay connector and fuse No. 10. See Figure .
  3. Put DRB in ohmmeter mode. Measure resistance at park lamp relay connector terminal "C" (Pink/Dark Blue wire). If resistance is more than 5 ohms, go to TEST 30D. If resistance is less than 5 ohms, go to next step.
  4. Connect jumper wire between park lamp relay connector terminal "B" (Pink/Red wire) and terminal "D" (Black/Yellow wire). If tail lamps illuminate, replace park lamp relay. If tail lamps do not illuminate, go to next step.
  5. Keep jumper connected. Put DRB in voltmeter mode. Disconnect lamp outage module 14-pin connector. Measure voltage at lamp outage module 14-pin connector terminal No. 12 (Black/Yellow wire). If voltage is more than 10 volts, replace lamp outage module. If voltage is less than 10 volts, repair open Black/Yellow wire between park lamp relay connector and lamp outage module.
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