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Door Lock Motor Test

  1. With battery in normal operating condition, connect positive voltmeter lead to Light Green terminal of circuit breaker, and negative lead to ground. If reading of 12.5 volts is not obtained, connect positive lead to battery side of circuit breaker.
  2. If 12.5 volts are now obtained, the circuit breaker is defective and should be replaced. If 12.5 volts are not obtained, check for broken feed wire or loose connection.
  3. To check for faulty motors, disconnect the motor connectors one at a time, while operating the door lock switch. If none of the motors work, the problem may be caused by a shorted motor. Disconnecting defective motor will allow the remaining motors to operate.
Fig 1: Door Lock Motor Used in front wheel drive models only.
G15230