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11 18 SH CAB INTERIOR LIGHTING CAB STEPWELL L IGHTING/INTERIOR LIGHTING DOOR SWITCH, DRIVER’S SIDE If the door on the driver ’s side is opened, door switch E514 is activated (connection between 1 and 2). A a result, there is a voltage on the driver ’s side cab stepwell lighting (C062), co-driver ’s side cab stepwell lighting (C063) and D91 1 (alarm system) through fuse E028 (interior lighting fuse), w ire 1107, contacts 1-2 of door switch E514, wire 2647, diode D783 (driver ’s side interior lighting diode), w ire 2600. This activates the cab stepwell lighting on both the driver ’s side (C062) and the co-driver ’s side (C063). T he VIC (D900) also receives a voltage on connection point 1, connector 595. The V IC then turns on the cab lighting (C1 19/C192), provided the switches (C1 19, C192, C859 and C837) are in the correct position, activating it through wire 2610 (connection point 4, connector 592 of the V IC unit). When the door on the driver ’s side is closed (contacts 1-2 of door switch E514 interrupted), the voltage to connection point 1, connector 595 of the V IC is lost. C onnection point 4, connector 592 will then continue to be supplied w ith power for another 9 seconds approximately .After approximately 9 seconds, the supply voltage is switched of fand the interior lighting goes out. If the vehicle ignition is switched on (contact made) within 9 seconds, the power supply to connection point 4, connector 592 of the V IC will be switched of fi mmediately .The interior lighting w ill be switched of fi mmediately .If the alarm system (D91 1, pin 16 of connector 604, wire 3647) sends a voltage to connection point 13, connector 594 of the V IC to indicate that the doors have locked correctly ,t he interior lighting w ill also go of fi mmediately . CAB STEPWELL L IGHTING/INTERIOR LIGHTING DOOR SWITCH, CO -DRIVER’S SIDE If the door on the co-driver ’s side is opened, door switch E515 is activated (connection between 1 and 2). As a result, there is a voltage on both driver ’s side cab stepwell lighting (C062) and co-driver ’s side cab stepwell lighting (C063) through fuse E028 (interior lighting fuse), w ire 1107, contacts 1-2 of door switch E515, wire 2600. This activates the cab stepwell lighting on both the driver ’s side (C062) and the co-driver ’s side (C063). Interior lighting w ith m ap -r eading light (driver ’s and co -driver ’s side) There is a combined interior light and map-reading light on both sides of the cab against the roof. T he lamps operate in the same way on the driver ’s side and co-driver ’s side. A voltage is applied to connection point 2 of C1 19 and to connection point 2 of C 192 through fuse E028, wire 1107. Depending on the position of the built-in switches, the interior light and the m ap-reading light can now be switched on individually or together . 200520 3-68 5 CHANGES IN THE ELECTRICAL SYSTEM Changes in the electrical system from chassis number 0E646818 CF65/75/85 Serie ≥0E621376 |