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Test 39F - Repairing Left Turn Signal Circuit

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION. For wiring diagrams, see WIRING DIAGRAMS article in the ENGINE PERFORMANCE Section. Perform TEST VER 1A after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Turn ignition switch to OFF position. Disconnect Blue body controller connector. Body controller is located under left side of instrument panel. Turn ignition switch to ON position. Using DRB-II in voltmeter mode, check voltage of left turn signal sense circuit at Blue body controller connector terminal No. 5 (Light Green wire).
  2. If voltage is pulsing between zero and 10 volts, replace body controller. If voltage is not pulsing between zero volt and 10 volts, repair open in Light Green wire.