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rear brake light 86 mercury grand marquis LS
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magnician
New User
Dec 12, 2009, 12:10 PM
Post #1 of 8
(3352 views)
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rear brake light 86 mercury grand marquis LS
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Hi, i have a 1986 Mercury Grand Marquis LS with a 5.0 Liter engine... my rear brake lights wont go off. I've made sure the brake fluid resevior is full, the brake light fuse is good, i've disconnected and reconnected the negative battery terminal, and, i've check the e-brake to ensure it is disengaged, can you help?
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 12, 2009, 12:30 PM
Post #2 of 8
(3349 views)
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Re: rear brake light 86 mercury grand marquis LS
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That's just a bad brake light switch. You will findd it down at the brake pedal. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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magnician
New User
Dec 12, 2009, 12:34 PM
Post #3 of 8
(3345 views)
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Re: rear brake light 86 mercury grand marquis LS
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Great! thanks for your answer, now i just have to find the darned thing.. i've looked at the brake pedal, but i haven't located the switch yet, it is really hard to get down under the dash:).. is there a picture of it in relation to the pedal i can find online? or a schematic anywhere online?
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 12, 2009, 12:42 PM
Post #4 of 8
(3343 views)
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Re: rear brake light 86 mercury grand marquis LS
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You don't have to tell me how hard it is to get under the dash......especially after 50.......LOL Here's what it looks like ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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magnician
New User
Dec 12, 2009, 12:48 PM
Post #5 of 8
(3339 views)
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Re: rear brake light 86 mercury grand marquis LS
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Thanks so much for the info and the schematic!! It is really helpful! I have called my local parts place and they say it will cost around $7 for the switch, so i will go and buy one and see if i can't get it installed... once again, thank you very much!!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 13, 2009, 1:41 AM
Post #6 of 8
(3326 views)
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Re: rear brake light 86 mercury grand marquis LS
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To add: There is likely still a felt like panel to gain acces with plastic funky screw. If doing this yourself make dang sure it's back on exactly the way you found it. Been while but brake pedal will go lose complety while you replace it. Ford has used that same switch since forever BTW. Laugh Hammer - the standing on your head at our age is getting tough! T
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ratrace2
User
Jun 26, 2011, 3:12 PM
Post #7 of 8
(2924 views)
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Re: rear brake light 86 mercury grand marquis LS
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My friend has a 1996 Mercury Grand Marquis GS: Has brought it by the house today complaining that the brake lights don't work. They worked fine while I was looking at them. But he said the cops told him that they didn't work. And, a couple of friends have been driving behind him and told him that his brake lights aren't working. Sometimes they work and sometimes they don't work.....huh????
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 26, 2011, 3:15 PM
Post #8 of 8
(2921 views)
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Re: rear brake light 86 mercury grand marquis LS
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This thread is 2 years old. If you have a question, then start a new thread. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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