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POWER WINDOWS WIRING VOLTAGE TEST The following wiring test determines whether or not voltage is continuous through the body harness to the front switch.
For complete circuit diagrams, refer to the appropriate wiring information. POWER WINDOW MOTOR TEST If the power window motor is receiving proper current and ground and does not operate, proceed with motor test. For complete circuit diagrams, refer to the appropriate wiring information.
When positive probe is connected the motor should rotate in one direction to either move window up or down. If window is all the way up or down the motor will grunt and the inner door panel will flex when actuated in that one direction.