Prince dump truck rear window roller blind failure maintenance: 1. Model: Prince truck, chassis cab model E65 car pictures, engine model M54, VIN code wBAGN41010DM7541l. 2. Symptom: According to the driver introduction, roller blind switch operation on the back of the door, 'the two rear window roller blind did not respond. 3. Troubleshooting: On the left rear door and right rear doors were installed a roller blind switch, each roller blind switch includes a rear window shade shutter selector switch, rear window side windows (main windows) roller blind switch, rear window sunshade triangular window shutter switch, windshield sunshade shutter switch. Prince dump truck rear window roller blind gear selector switch has two car cab, is used to select the left rear window roller blind or right rear window roller blind, that operates a rear car Window roller blind switch, you can cover the left rear window shutter lame, right rear window roller blind, rear windshield sunshade shutter control. The actual operation, and found two rear window roller blind (including the side window roller blind and triangular window roller blind) did not respond to cool the cab car, rear windscreen roller blind is normal. Energy automotive steering system can be divided into different steering systems and Prince cab mechanical steering system types. Mechanical steering systems is to rely on the driver's manipulation of a steering wheel turning force to achieve; power steering system is under the control of the driver, by means of fluid pressure or a motor drive force generated by the engine to achieve automobile steering wheel. Therefore, the power steering system is also known as power steering amplification device. Because of the power steering system makes steering flexible, lightweight, form the structure of the steering increased flexibility in the choice of design of the car, the front wheels can absorb road shocks generated face, etc., and therefore has been widely used in automobile manufacturing countries in . However, having a fixed magnification power steering system main disadvantage is that: if the design of the fixed magnification power steering system is designed to stop or reduce the vehicle under low speed state of the rotational force of the steering wheel of the cab car flag, then when car traveling at high speed, the fixed magnification Jinwangzi cab will turn the steering wheel force is too small, is not conducive to high-speed car directional control; conversely, if the power of the fixed magnification designed steering system is to increase the car at high speeds steering force, when the cars off the road or at low speeds, turn the steering wheel will be very very difficult. Electronic control technology applications in the automotive Ho Chun cab, the driver performance car reaches a satisfactory level. The electronically controlled power steering system allows the steering at low speeds, lightweight, and flexible; when the car in high speed steering area, but also to ensure the best power magnification and stable steering feel, thereby improving the handling and stability at high speeds . Factory since its inception, the idea, high-quality, high standards of service principle. Consistently adhered to quality, customer first, striving for the same industry first strategy. The use of sophisticated equipment and superb technical conditions, bringing together many years of production experience for users to create the perfect product. Users demanding standards and harsh conditions of use, can show the excellent quality of our products. Automobile cab button, Jinan Yiu Cheung (certified), car cab provided by Jinan Yiu Cheung Trading Company. Jinan Yiu Cheung Trading Company (www.jinanyaoxiang.com) Shandong Jinan, engine assembly leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jinan Yiu Cheung leadership with the staff warmly welcome all inquiries negotiations to create Jinan Yiu Cheung a better future.