Lighting issue - TCCoA Forums
  • 1 Post By Thunderbird Pilot 89
  • 2 Post By RalphP
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post #1 of 8 (permalink) Old 03-02-2019, 01:55 PM Thread Starter
Join Date: Feb 2019
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Question Lighting issue

My 97 LX has developed a problem with no tail lights, dash lights or marker lights. Happened all of a sudden.
Was thinking either headlight switch or fuses. Fuses in order.
After an exhaustive search for how to replace the headlight switch , I am turning to you folks for help. The Haynes Manual doesn't cover the 97 model
dash/switch R/R .
Anybody got input on this ? It would be greatly appreciated.

1997 Thunderbird LX
White Pearl
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post #2 of 8 (permalink) Old 03-02-2019, 03:27 PM
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Location: Woodbridge, VA
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Never had a tail light problem, but my 89 had headlights going in and out a few years ago. Replacing the switch fixed it. Easy job, just had to remove the trim panel from around the cluster to access the switch. Here's a diagram that should help.
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File Type: jpg headlight switch.JPG (132.9 KB, 0 views)
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post #3 of 8 (permalink) Old 03-02-2019, 03:43 PM
Kind of slapped together
Join Date: Jan 2010
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A few notes.

1) Toss that Haynes. It sucks. Pick up the Ford Factory Service Manual and a Ford Electrical Vacuum Troubleshooting Manual (FSM and EVTM). NOW. (Ebay usually has them on hand)

2) Be very, Very, VERY careful removing that dash surround. Surrounds without broken tabs are like honest politicians - I'm sure there's some out there, but nobody can find one!

3) While the surround is off, I'd consider replacing the cluster lights - 194s, 2827s, the good LEDs, etc.

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post #4 of 8 (permalink) Old 03-02-2019, 03:46 PM Thread Starter
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Thank you... did a little 'eyeballing' but your diagram will help immensely.... fun times.
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post #5 of 8 (permalink) Old 03-02-2019, 03:48 PM Thread Starter
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274000 and still getting 22-24 mpg ... all highway miles...
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post #6 of 8 (permalink) Old 03-02-2019, 05:23 PM
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I had that happen before, it was also around the time the headlight switch had to be replaced, which caused confusion in my troubleshooting, but I think it turned out to be a fuse after all.

Current poor life choices: 1991 Mercury Cougar XR7, 1998 Lincoln Town Car, 2005 Ford Focus ST, 1997 Ford Probe GT.
Previously: 2015 Focus, 1996 Thunderbird, 1998 Taurus, 1989 Escort.
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post #7 of 8 (permalink) Old 03-02-2019, 06:27 PM Thread Starter
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All fuses are good... bulbs etc good also
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post #8 of 8 (permalink) Old 03-03-2019, 12:19 PM
No, Mr. Lemmywinks, No!!!

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Join Date: Jun 2005
Location: Harriman, TN
Age: 56
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I'd start here:

The MFS, or blinker switch can cause the tail lights and brake lights to go out, but it has nothing to do with the accent lights.

Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
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