1995 Mercury Mystique Electrical Issues

MERCURY MYSTIQUE
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LMURRAY
  • MEMBER
  • 3 POSTS
I own a 1995 Mercury Mystique and it has started to do some strange things...

1. my rear defrost doesnt work..
2. my windshield wipers only go on and off.. won't change speed
3. interior lights on the door and floor stay on while I am driving
4. chime on the door doesnt work if I leave my headlights on and take the key out of the ignition...

Any ideas on where to start looking for the problem ??
May 10, 2006 at 8:46 AM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
It sounds like you have a ground problem. Remove the battery ground, clean it shiny and the battery. Remove the ground to the engine, ffame and engine to fire wall. Clean them shniny and it should correct the problem. Good luck
May 10, 2006 at 9:46 AM
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LMURRAY
  • MEMBER
  • 3 POSTS
I will definitely have that done over the weekend..

It seemed all these problems showed up after I had the car boosted as I had left the headlights on..

Will let you know how it goes..

Thanks for the info...
May 10, 2006 at 10:32 AM
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LMURRAY
  • MEMBER
  • 3 POSTS
I did get someone to look at my car tonight...

He disconnected the battery and cleaned the posts and I had cable that was loose...

He checked the fuses and the fuse for the rear defrost was no good and we replaced it...

All is working great now...

whew... thanks for helping out this "non mechanic" lady!

Laurie :)
May 10, 2006 at 2:16 PM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
You are quite welcome! losone
May 11, 2006 at 12:19 AM
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Suggested Repair

Clean and tighten the battery cable connections and related grounds, then replace the failed rear defrost fuse. Cleaning the battery posts and securing a loose cable, along with the fuse replacement, resolved the electrical issues.

Conversation Summary

A 1995 Mercury Mystique developed several electrical problems: inoperative rear defrost, wipers that would not change speed, interior lights staying on while driving, and a door chime that did not sound when the headlights were left on. An expert suspected poor grounds and recommended cleaning the battery, engine, frame, and firewall ground connections. After a jump start, the owner had the battery disconnected, the posts cleaned, a loose cable secured, and a blown rear defrost fuse replaced. All of the symptoms then worked normally.

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