Table 1 shows seven common electrical system related problems of the 1999 Mercury Grand Marquis. The number one most common problem is related to the electrical system (five problems). The second most common problem is related to the ignition (three problems).
Vehicle was parked. I went to turn my headlights on. No headlights, turn signals, dash lights, hazard flashers or dome light. The 2003-2005 models were recalled for this same thing with the lcm failing. Please look into this as this is a serious safety issue. Read details...
Consumer stated that the key will not turn in the ignition, the serring wheel locks up and has to be jerked before the key can be tuned. Read details...
The horn button does not respond due to its location, where it' s placed. Its association is too close to where air bag is located on steering wheel. The driver had to press the horn hard repeatdly. Read details...