94 XJS brake light problem....
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Senior Member
Joined: Sep 2007
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From: Chino Hills CA
94 XJS brake light problem....
The 3 brake lights do not operate on my 94 XJS. A clicking sound can be heard under the center console near the gear selector when the pedal is depressed &the car is in park. The clicking sound is not present when the car is in drive & the pedal is depressed. The fuse for the brake light i discovered was blown. I replaced the fuse w/ the correct amperage fuse & as soon as the brake pedal is depressed the fuse blows. Sounds like a short? Is there a brake light switch relay located somewhere? Thanks in advance for anyones help.
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Joined: May 2007
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From: Houston, Texas
RE: 94 XJS brake light problem....
Sounds like a short. The clicking in the center console is just the solenoid allowing you to shift with out of park once you depress the brake pedal. Unrelated.
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Joined: Jul 2013
Posts: 20
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From: Olympia, WA
Brake light problem solved
I don't about your situation, but was loosely related to the power antenna. It wasn't working so I set out to fix it. I can't find a replacement so I replaced the damaged rectifier on the board. Haven't put it back in yet. Sorry Side tracked.
Back on Track
when I put in the inline fuse and plugged in the anntenna & antenna relay located on the right side in the trunk, as soon as I put my foot on the brake, it would blow to fuse for the turning indicators and brake lights (7.5amp fuse) as well as the trunk interior / caravan lights (15amp fuse).
Didn't quite understand this since the brake lights and trunk lights are on separate circuits. Then I got to thinking. They do share a ground - the chassis.
That's why when the power antenna was disconnected, the lights worked. I haven't put the power antenna unit back together yet, but I will let you know if the blown rectifier on the circuit board was the problem.
Keep you posted,
Mark
When I took the curcuit board out of the antenna
Back on Track
when I put in the inline fuse and plugged in the anntenna & antenna relay located on the right side in the trunk, as soon as I put my foot on the brake, it would blow to fuse for the turning indicators and brake lights (7.5amp fuse) as well as the trunk interior / caravan lights (15amp fuse).
Didn't quite understand this since the brake lights and trunk lights are on separate circuits. Then I got to thinking. They do share a ground - the chassis.
That's why when the power antenna was disconnected, the lights worked. I haven't put the power antenna unit back together yet, but I will let you know if the blown rectifier on the circuit board was the problem.
Keep you posted,
Mark
When I took the curcuit board out of the antenna
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Joined: Apr 2023
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The 3 brake lights do not operate on my 94 XJS. A clicking sound can be heard under the center console near the gear selector when the pedal is depressed &the car is in park. The clicking sound is not present when the car is in drive & the pedal is depressed. The fuse for the brake light i discovered was blown. I replaced the fuse w/ the correct amperage fuse & as soon as the brake pedal is depressed the fuse blows. Sounds like a short? Is there a brake light switch relay located somewhere? Thanks in advance for anyones help.
Veteran Member
Joined: May 2010
Posts: 5,340
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From: Arlington, VA
So....the original post that started this thread is about 16 years old.
MarkLee responded to that original poster 6 years later.
You have now responded to that 10 years after MarkLee.
I don't think you'll be getting an answer from them.
MarkLee responded to that original poster 6 years later.
You have now responded to that 10 years after MarkLee.
I don't think you'll be getting an answer from them.
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