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Motor Continues Running With Switch In Off Position

  1. Check wiper motor wiring harness for short between low speed motor feed terminal No. 3 (Brown/White wire), or high speed motor feed terminal No. 2 (Red/Yellow wire) and battery or ignition voltage.
  2. Check for faulty wiper intermittent relay or HI-LO relay. Check circuit from intermittent relay cavity "B" to HI-LO relay cavity "B" (Light Green/Black wire) for short to battery or ignition voltage.
  3. Turn ignition off. Disconnect BCM Bone 24-pin J3 connector. See Figure . Check Dark Green/Yellow wire circuit between Bone 24-pin J3 connector, terminal No. 1 and intermittent wiper relay terminal "C" for short to ground.
  4. Using voltmeter, connect positive lead to BCM Bone 24-pin J3 connector, terminal No. 16 (Dark Green/Red wire). Connect voltmeter negative lead to ground. Turn ignition on. If voltmeter reads more than zero volts, check wiper switch and wiring.
  5. Connect voltmeter positive lead to BCM Bone 24-pin J3 connector, terminal No. 10 (Brown wire). If reading is 10-15 volts, check circuit for short to battery or ignition voltage. If reading is zero volts, replace BCM.
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