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Jaguar XJS Window Motor
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Common Causes of Problems in a Jaguar Xjs Window Motor
Since today's cars are now built with electric windows, opening and closing your car's window are now just a press of a button away. However, the motors that enable your windows to move up and down may not always be in their best condition especially if they don't get the regular maintenance they require. Although troubleshooting a Jaguar Xjs' window motor can be a simple and straightforward task, it would still be best to make yourself familiar with the common causes of these problems in your window switch and motors.
No voltage at the motor
If you have done a test for voltage at the motor wiring connections using a test light and the test shows no voltage, this could be a possible sign of an open or short circuit. Corrosion at the wire connections may also cause this problem as it prevents proper flow through the connection. If this is the case, you may consult your car's service manual and check if your model comes with a fuse or a circuit breaker. Make sure to use an ohmmeter to check if the circuit breaker is in good working condition.
One of the windows does not work
A bad switch is one of the most possible reasons why one of your Jaguar Xjs' windows do not move even when your press the buttons. Other problems that may cause this failure include a faulty wiring circuit between the door motor and switch or a faulty wiring in the motor power or ground circuit. This problem can be solved by bypassing the switch and route power directly to the motor by using a fused jumper wire.
Both of the car's windows got stuck
Windows getting stuck is a common issue with electrically powered windows and it can be caused by a lot of other problems. Sometimes, this problem may be caused by a gummed up switch. This can be easily resolved by cleaning the switch with a Q-tip dipped in a rubbing alcohol and applied around the switch. Loose wirings are also one of the reasons why windows get stuck. So if you spot loose connections, tighten them properly.
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