Passenger side head light is dim

2002 MERCURY SABLE
186,000 MILES • 6 CYL • FWD • AUTOMATIC
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JAMESNYDER
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  • 12 POSTS
The Passenger side head light is dim and I need to know where to look to fix the ground wire problem both high and low beams are effected.
Feb 16, 2016 at 4:51 PM
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CATAFINA
  • Experienced Mechanic
  • 167 POSTS
Your ground point is G201 #6 Right side of I/P

Feb 16, 2016 at 5:38 PM
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JAMESNYDER
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  • 12 POSTS
On the passenger side fender is the ground for the passenger headlight
Feb 16, 2016 at 11:22 PM
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CATAFINA
  • Experienced Mechanic
  • 167 POSTS
That's what my reference says above-so go ahead and try that ground
Feb 17, 2016 at 5:32 AM
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STRAILER
  • Experienced Mechanic
  • 55,065 POSTS
Here is more information on that fix https://www.2carpros.com/articles/one-headlight-is-dim-or-dull please let us know how it goes.
Feb 23, 2016 at 4:44 AM
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JAMESNYDER
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  • 12 POSTS
I have auto headlights and fog lights built into my headlight switch only the parking lights work while the switch is in auto location.
Feb 24, 2016 at 2:12 AM
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CATAFINA
  • Experienced Mechanic
  • 167 POSTS
Check fuse # 29, auto headlamp relay, if okay-test the main light switch.
Feb 24, 2016 at 6:37 AM
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JAMESNYDER
  • MEMBER
  • 12 POSTS
Is it possible that the malfunction switch is causing my passenger headlight to be dim?
Feb 29, 2016 at 7:15 PM
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CATAFINA
  • Experienced Mechanic
  • 167 POSTS
You need to find that ground, it is very important that you do. I believe it goes through the dimmer switch.
Mar 1, 2016 at 5:39 AM
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STRAILER
  • Experienced Mechanic
  • 55,065 POSTS
Please let us know what you find so it can help others
Mar 7, 2016 at 6:01 AM
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