Mercedes Benz  S Class 2000-2002
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   IGNITION SWITCH HARNESS
 STARTER  PURPLE/YELLOW (+)  IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  PINK/RED (+)  IGNITION SWITCH HARNESS
 IGNITION 2  PINK/GREEN (+)  IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  N/A  
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  N/A  
 PARKING LIGHTS ( + )  N/A  
 POWER LOCK  RED/BLUE (1-Wire Door Lock System) See NOTE *1  DRIVERS DOOR CONTROL MODULE
 POWER UNLOCK  Same wire  
 DOOR TRIGGER  See NOTE *2  @ REAR SAM, Control Module, See NOTE *3
 DOMELIGHT SUPERVISION  GRAY/RED (-)  @ REAR SAM, Control Module, See NOTE *3
 TRUNK RELEASE  BROWN (-)  @ TRUNK RELEASE SWITCH
 SLIDING POWER DOOR  N/A  
 HORN  BLACK/YELLOW or BLACK/YELLOW/RED (+)  @ HORN
 TACH  ANY wire NOT BLACK/YELLOW or BLACK/GREEN  @ any IGNITION COIL
 WAIT TO START LIGHT  N/A  
 BRAKE  BLACK/BLUE/WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   DISARMS WITH UNLOCK  
 ANTI-THEFT  TRANSPONDER ANTI-THEFT SYSTEM, REQUIRES 791 BYPASS MODULE AND EXTRA IGNITION KEY, See NOTE *4  TRANSPONDER @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE *1 this vehicle uses a 1-Wire Door Locking System, the Lock is a (-) Negative and the Unlock is a (-) Negative thru a Resistor, you will need to meter this wire while turning the key in the Drivers door Key cylinder to get the Resistor value. NOTE *2 the DRIVERS DOOR is a GREY/RED (-) the PASSENGER DOOR is a GREY/BLACK (-) the DRIVERS REAR DOOR is a GREY/PURPLE (-) and the PASSENGER REAR DOOR is a GREY/BLACK (-) when connecting to an Alarm System use all 4 wires and diode isolate See DIAGRAM. NOTE *3 the SAM (Signal Acquisition and Actuation Module) is attached to the REAR FUSE/RELAY Module in the Connector 3. NOTE *4 the TRANSPONDER SYSTEM works only with vehicles that use the SWITCHBLADE KEY. If vehicle is equipped with the SMART KEY the transponder bypass will not work.