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故障现象 一辆2004年产别克CL8车,左前车窗玻璃升降器不工作,且左前门上的车窗升降主开关无法控制右前车窗玻璃升降,但右前车窗升降开关可以正常控制右前车窗玻璃升降。故障诊断 接车后首先确认故障现象。经过反复试验发现,刚开始故障现象时有时无,后来车窗升降主开关既不能控制左前车窗玻璃升降,也不能控制右前车窗玻璃升降,而右前车窗升降开关可以正常控制右前车窗玻璃升降。经
Fault phenomenon A 2004 Buick CL8 car, the front left window regulator does not work, and the left front door window lift main switch can not control the right front window glass lift, but the right front window lift switch can be properly controlled right front window Glass up and down. Troubleshooting After the car was first confirmed the fault phenomenon. After repeated tests found that, at the beginning of the fault phenomenon from time to time, and later the main window lift switch can neither control the left front window glass lift can not control the right front window glass lift and the right front window lift switch can be properly controlled right front window glass Lift. through