Brake light relay... - Jaguar Forums - Jaguar Enthusiasts Forum

Go Back   Jaguar Forums - Jaguar Enthusiasts Forum > Jaguar Models ( Modern ) > XK8 / XKR ( X100 )
Log In 

XK8 / XKR ( X100 ) 1996 - 2006
Sponsored by SNG Barratt
Click Here

Brake light relay...

LinkBack Thread Tools Search this Thread
Old 09-28-2009, 09:15 PM
Senior Member
Join Date: Sep 2009
Location: Surprise, AZ
Posts: 129
Thanked 24 Times in 18 Posts
Default Brake light relay...


I bought my 1999 XK8 several weeks ago and have been having rear light issues from day-1.

Here's my question...does the brake light relay take a different relay than the other relays in the board?

The one that is in the brake light slot now is LJA6703AA.

Here's what prompts me to ask;

I removed several adjacent relays and took my volt meter to them and easily found the hot plug, the ground plug, etc.

But all 4 posts on the brake light relay had voltage running to it, and the voltage left one of the posts when the brake pedal was depressed. The exact opposite of what I would expect.


My assumptions would be;

-This relay slot uses a different style of relay than the other slots


-I have a short in the wiring somewhere before the relay slot.

If this slot demands a different relay, then I would be one happy boy, so any help here would be greatly appreciated.
Reply With Quote
Old 09-29-2009, 06:09 AM
Veteran Member
Join Date: Mar 2008
Location: Ellijay
Posts: 4,953
Thanked 865 Times in 752 Posts

The electrical schematic shows the stop light relay to be the same as the related (tail, backup) relays.

There is a history of ground problems in the tail light assembly.
2002 XK8
2001 Honda GL1800A
1982 Volvo 245 Ford 302 V8
1981 Volvo Bertone Coupe - 25k original miles
Reply With Quote

Similar Threads
Thread Thread Starter Forum Replies Last Post
Rear Brake Question on XK Convertibles jdzubas XK / XKR ( X150 ) 12 10-04-2015 09:14 AM
Finally finished personalizing my XJ H20boy XJ ( X351 ) 15 10-01-2015 03:23 AM
O2 Sensor Replacement for 2005 Jaguar S Type 4.2L KarimPA S-Type / S type R Supercharged V8 ( X200 ) 11 09-12-2015 08:15 AM
strange things happening motorhead69 XJ XJ8 / XJR ( X308 ) 13 09-09-2015 10:04 AM
1988 XJS - New sound system, strange hum mbergen XJS ( X27 ) 6 09-04-2015 08:36 PM

01, 2002, brake, jaguar, light, lights, realy, rear, relay, relays, stoplight, stype, tail, xj8, xjr

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -5. The time now is 07:30 AM.

JAGUAR and its logo are the registered trademarks of Jaguar Cars Limited. Jaguar Cars Limited is not affiliated with