1998 Mercury Grand Marquis Wiring Diagram Starting System. Please be sure to test all of your wires with a digital multimeter before making any connections. The vehicle will not start and the PassLock system will need to be disabled and reset before you can start the vehicle again.
Next Mobile Electronics Basics. It will be blinking on and off. 1995 Mercury Outboard 60 Hp Wiring Harness Diagram Line Wiring.
1998 Mercury Grand Marquis alarm remote start and keyless entry wire colors functions and locations.
This information outlines the wires location color and polarity to help you identify the proper connection spots in the vehicle. View and Download Mercury Grand Marquis 1998 owners manual online. 1996-2001 SABLE 1998-2000 MYSTIQUE 1998-2001 GRAND MARQUIS 1999-2001 COUGAR 1998-2002 MOUNTAINEER This TSB article is being republished in its entirety to update the model year vehicles and the NOTE diagnostic procedures. I have a jumper pack and when I hook it up everything works fine radio lights etc but as s.