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Windshield Wiper Test 8A - Wipers Operate In High Speed Only

NOTE: Perform WINDSHIELD WIPER TEST 1A  before proceeding with this test. For connector terminal identification, refer to CONNECTOR IDENTIFICATION  . For wiring diagrams, refer to WIRING DIAGRAMS  . Perform, after each repair, TEST VER-1A - VERIFICATION PROCEDURE  .
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Disconnect HI/LO wiper relay. See Figure in WINDSHIELD WIPER TEST 2A. Replace original HI/LO wiper relay with a known good relay. Turn ignition on and activate wipers. If wipers do not operate properly in low and high speed modes, go to next step. If wiper operate properly in low and high speed modes, replace original HI/LO wiper relay.
  2. Turn ignition off. Disconnect engine 14-pin connector at BCM. See Figure in CHIME TEST 3A. Ensure connector is clean and not damaged. Remove substitute HI/LO wiper relay. Using external ohmmeter, measure resistance between ground and terminal No. 8 (Violet/Pink wire) on engine 14-pin connector. If resistance is 5 ohms or greater, replace BCM. If resistance is less than 5 ohms, repair short to ground in Violet/Pink wire.
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