1999 Mercury Marquis R/S Problem
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=45543
Printed Date: December 15, 2025 at 4:02 PM
Topic: 1999 Mercury Marquis R/S Problem
Posted By: ziggyb222
Subject: 1999 Mercury Marquis R/S Problem
Date Posted: December 19, 2004 at 7:33 PM
I have some conflicting info on wiring for this car.. The one I have not followed says it has three accessory wires to power. If all the accessory wires were not powered up, could it keep me from properly programming the bypass module (pkf-1)????? Any ideas??
Replies:
Posted By: swamprat323
Date Posted: December 19, 2004 at 7:40 PM
i only see 2 on my techsoft sheet
| ITEM | WIRE COLOR |POL| WIRE LOCATION |
| 12V|brown & lt. green |+ |ignition harness |
| STARTER|WHITE/ pink |+ |ignition harness |
| IGNITION|BROWN / pink |+ |ignition harness |
| SECOND IGNITION|gray / YELLOW |+ |ignition harness |
| ACCESSORY|BLACK/ lt. green |+ |ignition harness |
| SECOND ACCESSORY|pink/black |+ |ignition harness |
| POWER LOCK|pink / YELLOW |*1 |drivers door harness |
| POWER UNLOCK|pink/green |*1 |drivers door harness |
| LOCK MOTOR|pink/black |5wi|drivers door harness |
| UNLOCK MOTOR|RED / orange |5wi|in drivers door |
| DISARM DEFEAT|pink/orange |5wi|drivers door harness |
| PARKING LIGHTS +|brown | |LCM *2 |
| HEADLIGHTS|RED / yellow |+ |LCM *2 |
| DOOR TRIGGER|*3 |- |LCM *2 |
| DOME SUPERVISION|BLACK/ lt. blue |+ |LCM *2 |
| TRUNK/HATCH PIN|BROWN / white |- |LCM *2 |
|TRNK/HTCH RELEASE|purple / YELLOW |5wi|drivers door harness |
| TACHOMETER|WHITE/ pink | |PCM *4 |
| SPEED SENSE|gray/black | |PCM *4 |
| BRAKE WIRE|lt. green |+ |stop light switch |
| HORN TRIGGER|dk. blue |- |LCM *2 |
| WIPERS|dk. blue & white | |wiper motor *5 |
| LF WINDOW UP/DN|yellow - wht/blk |A |drivers door motor |
| RF WINDOW UP/DN|wht/yel - tan/lt.blu|A |drivers door harness |
| LR WINDOW UP/DN|gry/orn - yel/lt.blu|A |drivers door harness |
| RR WINDOW UP/DN|RED / blk - yel/blk |A |drivers door harness |
| RADIO 12V|PURPLE / lt. blue |+ |radio |
| RADIO GROUND|black |- |radio |
| RADIO SWITCH|yellow/black |+ |radio |
| RADIO ILLUMINATE|lt. blue/red |+ |radio |
| LF SPEAKER|orn/grn - blu/wht | |radio or speaker |
| RF SPEAKER|wht/grn - grn/orn | |radio or speaker |
| LR SPEAKER|tan/yel - gry/blu | |radio or speaker |
| RR SPEAKER|brn/pnk - orn/red | |radio or speaker |
Notes:
NOTE: This vehicle has the PATS (passive anti-theft system) installed. It must be bypassed when adding a remote start module. Use a DEI 555F to bypass. *1 The door locks are positive trigger if equipped with factory keyless entry, and are 5 wire on all other models. *2 The LCM is located to the passenger side of the steering column. The harness is accessable between the steering column and the LCM. *3 There is a dk. blue for the drivers door and BLACK/ orange for the other three doors. Use both wires and diode isolate each one. *4 The PCM is located under the hood to the drivers side of the brake master cylinder. *5 The wiper motor is located just above the brake master cylinder.
Posted By: swamprat323
Date Posted: December 19, 2004 at 7:41 PM
Just make sure ALL the ingtion wire are wired up.
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