Brake Light Switch
#1
Brake Light Switch
The part number for brake light switch is LNB6420BB.
Gaudin Jaguar online retail price is $124.75 (discounted price is $101.35) plus shipping cost of $14.95.
Rock Auto Parts online sells this part for $45.89. Part is mfg by Standard Motor Products (part# sls504) plus shipping (??? part was not in stock, so no shipping info right now).
Gaudin Jaguar online retail price is $124.75 (discounted price is $101.35) plus shipping cost of $14.95.
Rock Auto Parts online sells this part for $45.89. Part is mfg by Standard Motor Products (part# sls504) plus shipping (??? part was not in stock, so no shipping info right now).
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Could this brake switch be the cause of my mysterious minor problems? Often (but not always) when I press the brake pedal I get the "Check Rear Lights' warning but all the lights work (including side markers) every time I have checked.
Also the cruise control switch light comes on at random times when I have not pressed it.
Cheers,
Andrew
Also the cruise control switch light comes on at random times when I have not pressed it.
Cheers,
Andrew
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#9
Hi Mike,
I checked all bulbs and cleaned the sockets. The lights all seem to all work fine. The red light on the CC switch by the J-gate comes on and the switch seems to change position without me pushing it. I think I may take this switch out and clean it, the action seems slightly sticky.
I checked all bulbs and cleaned the sockets. The lights all seem to all work fine. The red light on the CC switch by the J-gate comes on and the switch seems to change position without me pushing it. I think I may take this switch out and clean it, the action seems slightly sticky.
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Have the same problem described above, all lights work. Warning comes and goes, but only while driving and after hitting the brakes. Also note the cruise control turns off and can't be turned back on when the warning kicks in. Anyone know if the brake light switch for my 2002 XK8 is the same as the Ford T Bird or Lincoln LS? Also, where is the switch located and is it something I can fix? Have a 5 to 1 "Gus Ratio" (If Gus in the XK8 forum says a repair took him 1 hour I plan on 5 hours).
#15
Please advise me on how to install the Brake Light Switch - Read the following and post your replies in this thread.
Looks like there are sets of instructions (TSB and JTIS) on how to install the Brake Light Switch that are similar, but with these exceptions:
TSB says "Ensure stop light switch ratchet is fully released.
JTIS instructions say "Press and hold down the brake pedal" and "Make sure the brake pedal is held clear of the BPP switch ratchet mechanism during installation."
Here are the instructions from the 2 sources
TSB 203-07
9. Position new stop light switch.
10. Ensure stop light switch ratchet is fully released.
11. Install new stop light switch on brake pedal box. (Locating upper fixing)
12. Tighten stop light switch securing nut and bolt to 3 Nm (Illustration 6).
JTIS - 2001 XJ Range
Installation
1. Press and hold down the brake pedal.
2. CAUTION:
Make sure the brake pedal is held clear of the BPP switch ratchet mechanism during installation.
Failure to follow this instruction may result in incorrect adjustment of the BPP switch.
CAUTION:
Make sure the BPP switch is correctly installed to the upper locating point.
Install the BPP switch.
1. Align the BPP switch to the upper locating point.
2. Install the BPP switch.
3. Release the brake pedal.
I am a little confused at this point.
Jim Lombardi
Looks like there are sets of instructions (TSB and JTIS) on how to install the Brake Light Switch that are similar, but with these exceptions:
TSB says "Ensure stop light switch ratchet is fully released.
JTIS instructions say "Press and hold down the brake pedal" and "Make sure the brake pedal is held clear of the BPP switch ratchet mechanism during installation."
Here are the instructions from the 2 sources
TSB 203-07
9. Position new stop light switch.
10. Ensure stop light switch ratchet is fully released.
11. Install new stop light switch on brake pedal box. (Locating upper fixing)
12. Tighten stop light switch securing nut and bolt to 3 Nm (Illustration 6).
JTIS - 2001 XJ Range
Installation
1. Press and hold down the brake pedal.
2. CAUTION:
Make sure the brake pedal is held clear of the BPP switch ratchet mechanism during installation.
Failure to follow this instruction may result in incorrect adjustment of the BPP switch.
CAUTION:
Make sure the BPP switch is correctly installed to the upper locating point.
Install the BPP switch.
1. Align the BPP switch to the upper locating point.
2. Install the BPP switch.
3. Release the brake pedal.
I am a little confused at this point.
Jim Lombardi
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#16
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jimlombardi (01-30-2014),
xjay8 (01-31-2014)
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#18
I am having a problem in trying to find the upper locating point to slide in the top notched slot on the brake light switch as shown in this diagram:
Here are photos of the new switch
Why am I having such a difficult time getting brake light switch installed?
Any tricks to do this? Advice appreciated.
Jim Lombardi
Here are photos of the new switch
Why am I having such a difficult time getting brake light switch installed?
Any tricks to do this? Advice appreciated.
Jim Lombardi
Last edited by jimlombardi; 01-30-2014 at 11:00 AM.
#19
Hey Jim,
I did this on my XK8 recently and used this post for help- https://www.jaguarforums.com/forum/x...ics-faq-37758/
If you look at the bracket and the orientation of the studs to the actual switch it helps. I also started the car so that the brake pedal would go down further.
D
I did this on my XK8 recently and used this post for help- https://www.jaguarforums.com/forum/x...ics-faq-37758/
If you look at the bracket and the orientation of the studs to the actual switch it helps. I also started the car so that the brake pedal would go down further.
D
#20
Hi
Your XK8 has a brake switch is lot different than our switch - XJ models switch does not have the 2 studs at the top - only has the slotted notch that slides into the upper fixing point (I do not know where & what that looks like).
But I hope someone can tell me where and what it looks like and how to locate it and slide the slotted notch into it.
Your XK8 has a brake switch is lot different than our switch - XJ models switch does not have the 2 studs at the top - only has the slotted notch that slides into the upper fixing point (I do not know where & what that looks like).
But I hope someone can tell me where and what it looks like and how to locate it and slide the slotted notch into it.