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MERCEDES BENZ C 280
MODEL YEAR(S
C 280 1998-2000
KEY T-HARNESS IMMOBILIZER
N/A N/A MERCEDES TRANSPONDER ANTI-THEFT SYSTEM, Requires 791 Bypass Module and extra Ignition Key
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER PURPLE (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK/RED (+) @ IGNITION SWITCH HARNESS
IGNITION 2 PINK/YELLOW (+) @ IGNITION SWITCH HARNESS
IGNITION 3 BLACK/GREEN (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 1 N/A
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) N/A
PARKING LIGHTS ( + ) GRAY (+) and GRAY/WHITE (+) Use both, See NOTE #1 @ HEADLIGHT SWITCH 4099_C-280_DUAL PARKING LIGHT DIAGRAM.pdf
POWER LOCK BLACK (-), TYPE B @ DRIVERS DOOR MODULE, See NOTE #2
POWER UNLOCK BLUE (-), TYPE B @ DRIVERS DOOR MODULE, See NOTE #2
LOCK MOTOR WIRE N/A
DOOR TRIGGER See NOTE #3 @ EACH PIN SWITCH or THEFT MODULE, See NOTE #2 15317_C-280_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION TURNS ON with UNLOCK
TRUNK RELEASE YELLOW (-) @ TRUNK RELEASE SWITCH or THEFT MODULE, See NOTE #2
SLIDING POWER DOOR N/A
HORN N/A
TACH ANY wire NOT BLACK/YELLOW or BLACK/GREEN, (AC) @ IGNITION COIL PACK
WAIT TO START LIGHT N/A
BRAKE BLACK/RED (+) @ BRAKE PEDAL SWITCH
FACTORY ALARM DISARM DISARMS withUNLOCK
ANTI-THEFT TRANSPONDER ANTI-THEFT SYSTEM, REQUIRES 791 BYPASS MODULE AND EXTRA IGNITION KEY, See NOTE *4 @ IGNITION SWITCH TUMBLER
NOTES
NOTE #1: this vehicle has 2 Parking Light wires, it will require 2 extra Relays part #775 to connect, See DIAGRAM.





NOTE #2: these wires can also be found at the THEFT MODULE which is part of the Pneumatic system Equipment Control Module in the Trunk on the Passenger side.





NOTE #3: the DRIVERS DOOR is a BROWN/GRAY (-) the PASSENGER DOOR is a BROWN/BLUE (-) the DRIVERS REAR DOOR is a BROWN/GREEN (-) and the PASSENGER REAR DOOR is a BROWN/WHITE (-) when connecting to an ALARM SYSTEM, use all 4 DOOR TRIGGER wires and DIODE ISOLATE, to connect, See DIAGRAM.





NOTE #4: SECURITY BYPASS MODULE 791 will ONLY WORK with vehicles that have a SWITCHBLADE KEY, on vehicles with the SMART KEY a bypass is not available.
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