My 2003 mercury mountaineer power windws stopped working all at the sae time but the sun roof works.. i have checked ALL fuses and replaced the circuit breaker any suggestions?

It is never as straightforward as you think because the entertainment system is monitored and run by the body control module and put warning chimes and things like the blinker clicker through the audio system.

https://www.google.com/search?q=2003+Mercury+Mountaineer+radio+and+entertainment+wiring

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Fuses?

Fuse box location and diagrams: Mercury Mountaineer (2002 ...

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Mercury Mountaineer (2002-2005) fuses and relays

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The fuse box is located under the instrument panel on the driver's side. The location of the fuses in the passenger compartment: Mercury Mountaineer (2002-2005 ...

check your owners manual or look on or in the fuse box cover for roof fuse if fuse is good check for voltage then again the motor is shot or switch don't work

It could be a burnt out fuse. There are 2 places where the fuses are located; one under the hood near the battery and the second is to the left of the steering wheel. The inside panel cover has the number and what item that the fuses controls. I use a multimeter to check the continuity. If it buzzes, then it is good.

Have you checked the fuses yet ? Sounds like a major power fuse has blown.

Actually there are two fuses, depending on which power outlet is not working. Fuse F1.9 powers the #1 power point and fuse F1.7 powers the #2 power point. They are BOTH located in the Battery Junction Box in the engine compartment (See Picture)

check to see if AC and HEATER blower motor is getting power .if yes replace blower motor.if no you have problems in relay- fuse- or ac and heater switch is bad.for sun roof check for power at switch if yes sun roof eletric motor need replace.or sun roof in a bind.if no power to sun roof switch.blowed fuses and bulbs or turn signal switch is bad.

check your fuse in position 38 in the fuse box....this fuse is for the car's alarm system but also seems to work the sunroof, I have a problem with this fuse when its not blown the sunroof opens with no problems but when it blows the roof will not open I am not sure how they are tied in together but they are....so I would say that you have an electrical issue....do not replace the motor until you check this first

there should be a hole of sorts around the front of sunroof that is to drain water from around sunroof if it is clogged then you car will leak.

possible solution

It may be a circuit breaker.My windows and door locks stopped working,even after checking all fuses and replacing Main Driver side door switch! Found three circuit breakers that you can reset with a paper clip or small screwdriver. They were black with an aluminum cover on top. They don't come out easily,just insert the pin on each one.