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sprinkles08
sprinkles08, ASE Certified Technician
Category: Mercury
Satisfied Customers: 22522
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Losing electric intermittent to windows, door, locks, tach,

Customer Question

losing electric intermittent to windows , door, locks, tach, speedometer, heater, and interior lights. They are bounching on and off. It started last night while driving. I have a newer battery and alternator.
JA: Have you checked the vehicle's manual for this?
Customer: Yes no help
JA: What is the model/year of your Mercury?
Customer: 2007 Mountaineer
JA: Are you fixing your Mountaineer yourself? What have you tried so far?
Customer: I disconnected the battery, tried turning on and off all accessories, checked some fuses, pulled the fuse for the windows
JA: Anything else you want the mechanic to know before I connect you?
Customer: Nope
Submitted: 5 months ago.
Category: Mercury
Expert:  Chad Farhat replied 5 months ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 5 months ago.

hey how are you

lets start here

at driver door when you open it ,there is wiring harness coming from inside the car to the door , in between the door and car frame ,usually between the hinges ,tear that wiring insulation off the wiring harness and inspect for broken or intermittent wires at that location

sometimes from opening and closing those wires break .

then we go to the connection at the door master switch hit elf look for any backed out pin

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Customer: replied 5 months ago.
Those cables look fine
Expert:  Chad Farhat replied 5 months ago.

okay then I don't know on this one

will opt out of your question & open it for other expert to assist you on it

Customer: replied 5 months ago.
No thank you
Expert:  sprinkles08 replied 5 months ago.

Hello and welcome to JustAnswer!

It's going to require some electrical testing to determine what you have going on. If you're losing all of these items together then you most likely have a power distribution or wiring issue.

All of these items come and go at exactly the same time?

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