2002 mercedes ml500, alarm wiring
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=97429
Printed Date: May 05, 2025 at 8:10 PM
Topic: 2002 mercedes ml500, alarm wiring
Posted By: skwearl
Subject: 2002 mercedes ml500, alarm wiring
Date Posted: September 25, 2007 at 4:16 PM
I need the wiring information for a 2002 mercedes benz ML500. VIN 4JGAB75E22A307920
Replies:
Posted By: kola7126
Date Posted: September 25, 2007 at 5:27 PM
| MODEL | YEAR(S) | | ML CLASS | 2001 -2002 |
| 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 | WHITE (+) | IGNITION SWITCH HARNESS | | | STARTER 2 | N/A | | | | IGNITION 1 | PINK (+) | IGNITION SWITCH HARNESS | | | IGNITION 2 | N/A | | | | IGNITION 3 | N/A | | | | ACCESSORY /HEATER BLOWER 1 | GREY (+) | IGNITION SWITCH HARNESS | | | ACCESSORY /HEATER BLOWER 2 | N/A | | | | KEYSENSE | ORANGE (+) (Required for Remote Start) | IGNITION SWITCH HARNESS | | | PARKING LIGHTS ( - ) | N/A | | | | PARKING LIGHTS ( + ) | BLUE (+) and GREEN (+) Use both, See NOTE *1 | @ HEADLIGHT SWITCH, See DIAGRAM | 17194_ML-CLASS_DUAL PARKING LIGHT DIAGRAM.pdf | | POWER LOCK | WHITE (3wires) (TYPE C) See NOTE *2 | @ BOTTOM of FUSE/RELAY BOX | | | POWER UNLOCK | GREEN and PINK (2wires) (TYPE C) See NOTE *2 | @ BOTTOM of FUSE/RELAY BOX | | | LOCK MOTOR WIRE | WHITE (+) | @ BOTTOM of FUSE/RELAY BOX | | | DOOR TRIGGER | GRAY (-) and WHITE (-) Use both, See NOTE *4 | @ KEYLESS MODULE, See NOTE *3 | 29358_ML-CLASS_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf | | DOMELIGHT SUPERVISION | GRAY (-) | @ KEYLESS MODULE, See NOTE *3 | | | TRUNK RELEASE | GRAY (5-Wire) See NOTE *7 | @ BOTTOM of FUSE/RELAY BOX | 14301_ML-CLASS_5-WIRE TRUNK RELEASE DIAGRAM.pdf | | SLIDING POWER DOOR | N/A | | | | HORN | ORANGE (-) | @ STEERING COLUMN HARNESS | | | TACH | ANY wire NOT BLACK / YELLOW or BLACK/ GREEN | @ any IGNITION COIL | | | WAIT TO START LIGHT | N/A | | | | BRAKE | LIGHT BLUE (+) | @ SWITCH ABOVE BRAKE PEDAL, TOP PLUG | | | FACTORY ALARM DISARM | DISARMS WITH FACTORY REMOTE ONLY | | | | ANTI-THEFT | TRANSPONDER ANTI-THEFT SYSTEM, REQUIRES 791 BYPASS MODULE AND EXTRA IGNITION KEY, See NOTE *5 | TRANSPONDER @ IGNITION SWITCH TUMBLER | |
| NOTES | NOTE *1 this vehicle has 2 Parking Light wires, to connect will require 2 extra Relays part #775, to connect, See DIAGRAM.
NOTE *2 there are (3) WHITE wires for LOCK, located in a GREEN Connector labled P/E. The DRIVERS DOOR lock wire is in Pin 3, the PASSENGER DOOR lock wire is in Pin 4, and the REAR DOOR lock wire (does both) is in Pin 5. For the Unlock wires, it has GREEN wire for the DRIVERS DOOR Unlock, this GREEN wire is in a RED Connector labled C/F and is in Pin 11, the PASSENGER DOOR wire is a PINK in a RED Connector labled C/E in Pin 9, and REAR DOORS Unlock is a PINK and in a GREEN Connector labled P/E Pin 12.
NOTE *3 the KEYLESS MODULE is attached to the bottom of the FUSE/RELAY BOX.
NOTE *4 the FRONT DOORS use the GREY (-) at Pin 1 and the REAR DOORS use the WHITE (-) wire at Pin 5, these wires are located in a BLACK 6-Pin plug Connector 5.
NOTE *5 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. NOTE: on some vehicles it has been noted that after a few weeks of using the Remote Starter, the factory transponder key would get deleted, this required a trip to the dealership for reprogramming of this key.
NOTE *6 the FUSE/RELAY BOX is located under the hood on the DRIVERS SIDE.
NOTE *7 this vehicle uses a 5-Wire TRUNK/HATCH Release System, that will require an extra Relay Part #775, to connect, See DIAGRAM.
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