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Ask Chris (aka- Moose) Your Own Question
Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Ford
Satisfied Customers: 47618
Experience:  16 years experience
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I'm on your website looking at this page: describes my

Customer Question

Hi - I'm on your website looking at this page:
JA: What is the model/year of your Ford?
Customer: describes my symptoms perfectly. 2005 Mercury Mountaineer
JA: Are you fixing your Mountaineer yourself? What have you tried so far?
Customer: Fuse 17 is blown. Have also done a diagnostic check. Got code P0463 - apparently there is a TSB on explorers AND Mountaineers on this. But without buying a subscription to this website or that website, I'm stuck.
JA: Do all the fuses have the correct amperage for the circuits they're in?
Customer: Yes. As far as I know, they're all original. Never had an issue with this vehicle until yesterday. I found your page and suspected faulty sun visor wiring 'cause I noticed a crack in the visor mount a few days ago. Have unplugged the main harness in the pillar and I'm about to go grab an assortment of fuses at the local parts store, but the P0463 code tells me maybe I'm barking up the wrong tree - maybe it's fuel sensor wiring or a ground issue?
JA: Anything else you want the mechanic to know before I connect you?
Customer: Yes - this is EXACTLY what is described on your page
Submitted: 8 months ago.
Category: Ford
Expert:  Chris (aka- Moose) replied 8 months ago.

Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.

Here are the diag steps for code 0463

Here is the wire diagram for this circuit.

Here is the TSB

Which fuse has blown 17 under the dash or hood? In both cases neither is related to this code.

What now

  1. You have asked a question.
  2. You have paid a deposit and received an info request and or answer(s).
  3. Now it is time to follow up if needed or rate my answer, hopefully 5 STAR EXCELLENT. Sometimes the rating fails, responding with (I am a pleased) will suffice.
  4. You are more than welcome to still follow up. I want you pleased with me and my answer(s).

Thanks for using Just Answer, and rating me so I am compensated, Chris

Customer: replied 8 months ago.
Sorry - I began typing and pushed send accidentally. While driving yesterday, radio/power windows/fuel gauge ALL went down (rest of instrument panel is still up and running). This was accompanied by check engine light. Found your page
which describes my symptoms EXACTLY. Checked codes and got P0463. Fuse 17 under dash is blown. Have removed pillar & unplugged harness mid-pillar. Am about to replace fuse 17 after a visit to local parts store. Fuel gauge pegs to BELOW empty when ignition is turned on. Don't see any obvious shorts in sun visor wiring (my first guess). Don't know if I should be checking for interior shorts or go after the P0463 issue.
Expert:  Chris (aka- Moose) replied 8 months ago.

Both issues need to be addressed in either order. Fuse 17 though is not causing the fuel gauge concern.

Fuse 17 powers the battery saver relay, then powers the:

  • courtesy lights
  • homelink module
  • vanity mirror
  • glove box light
  • controls the accessory delay relay which powers other things, but the things on that circuit can not blow this fuse.
  • instrument cluster lights
  • mirror lights
  • fuse 18

Checking the wiring to the vanity mirrors is step one. Of okay then the tests get harder messing with connectors and wiring at the fuse box. Let me know if you get to this point.

Expert:  Chris (aka- Moose) replied 8 months ago.

Hello again Chris here,

  • Sorry you were not pleased with my help.
  • What would you like to do regarding your question now.
  • This post is coming up on the 7 day mark where it times out. When a post times out, that means it's no longer on my active list (you reply and I may never know it.)

Thanks Chris