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Home >> Mercedes Benz >> 2000 >> S430 >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Electrical System -- Basic Knowledge -- 215 & 220 Chassis - 2 Of 2 >> Basic Knowledge >> TELE AID push-button, location/task/design/function - GF82.95-P-4101 >> TELE AID push-button switch, position/task/design/function - GF82.95-P-4101A >> TELE AID push-button, function - GF82.95-P-4101-04A

TELE AID push-button, function - GF82.95-P-4101-04A

An electric current flows in park position through the control resistor that is installed in the SOS push-button switch (S93/3) (parallel to the switch contact). This indicates to the D2B telephone and TELE AID transmitter/receiver (A35/17) that the feed line and the ground line are OK.

When pressing the SOS push-button switch (S93/3), the control resistor is bridged by a switch contact. This is detected by the CTEL and TELE AID transmitter/receiver, D2B (A35/17) and a TELE AID emergency call is then activated.

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