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Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 9 (Alarm System, Control Modules, Engine Management Systems - Design And Function) >> Central Electronic Module (CEM) (2001-2004) >> Function >> High-mounted stop lamp (S60/S80)
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High-mounted stop lamp (S60/S80)

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Fig 1: High-Mounted Stop Lamp Input And Output Signals
GLL105955Courtesy of VOLVO CARS OF NORTH AMERICA.

When the stop lamp switch (3/9) is closed, a signal is transmitted to the central electronic module (CEM) (4/56). The high mounted stop lamp (10/19) is supplied with power directly from the central electronic module (CEM). The central electronic module (CEM) supplies power for as long as the stop lamp switch is closed.