Mercury Repair Questions? Ask a Mechanic for Answers ASAP
Which fuse did you remove? Does this have daytime running lights?
Remove the circuit breaker #12 in the I/P fuse panel, then let me know if they go out now.
Ok, but you can still answer 2 of those questions, can't you?
Ok, when you get the car back, unhook that circuit breaker and let me know if they go out then.
circuit breaker #12 in the I/P fuse panel
Ok, but you never mentioned it.
Ok, leave that circuit breaker out and go back and remove all the lighting fuses again and leave them out. There are the fuses in the I/P fuse panel, the fuse #4, 13 and 8. Let me know if they go off now.
So you have all of the fuses out and the circuit breaker?
before I forget, here is the wiring diagram,
Somehow then the multifunction switch is getting power. Just to be sure you have pulled the circuit breaker #12 and these fuse in the I/P fuse block, 4,5,6 and 13 and also the fuse #6 in the engine fuse block?
If so, can you see which wire feeding the multifunction switch has power, the orange/white or gray wire?
that goes to the daytime running lights module. Put all of the other fuses and circuit breaker back in and see if putting in and pulling out only this fuse #6 in the engine compartment fuse block causes the lights to go on and off.
Ok, then it has got to be a problem with the daytime running lights and most likely either the module or, let me get the wiring diagram for that and see if there are any tsb's out on that before I condemn something without being able to test it.
Do you by any chance have a scan tool that can check the codes in the bcm and any other module?
Are both the high beams and low beams staying o? Can you see? Hook back up the fuse #6 and see if you can switch between high and low beams ad they are both staying on. Also if the high beam indicator on the instrument panel comes on.
Hook everything back up and then disconnect the daytime running lamps control located on the radiator support at the center of the vehicle and see if the lights go out now.
That control may be very hot so be careful if you have to touch it. Maybe pull the fuse , let it cool down, disconnect it, then put the fuse back in.
Here I found a test,
What happened when you disconnected that control?
Did you ever get this fixed or not?