XJ6 & XJ12 Series I, II & III 1968-1992

XJ6 S3 Brake Lights Out/Wires from brake switch

 
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Old 04-26-2019, 02:58 PM
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Default XJ6 S3 Brake Lights Out/Wires from brake switch

Brake lights won’t work, fuse is ok, other tail lamps work. Someone has previously “re wired” stuff. From brake switch there is a solid green wire and green w purple stripe, both continue on as installed by factory. Solid green wire goes through aftermarket junction box that also has a red and a brown wire joined together but cut off just outside junction. Random brown and red wires were bundled in fuse box area, had clips to connect to glass fuses and have inline modern fuses. They were not connected to anything.

 
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Old 05-01-2019, 09:14 AM
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Looks to me like that "scotchlok" connector has cut the green wire. Those are evil creations.
Get rid of the unused wiring and splice the damaged factory wire with a butt connector.
 
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Old 05-01-2019, 12:41 PM
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Originally Posted by wjhickman View Post
Brake lights won’t work .....
Welcome to the forums wjhickman,

I've moved your question from General Tech Help to XJ6 & XJ12 Series I, II & III forum. This is the place to post technical questions about your model.

Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some information about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.

Graham
 
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Old 05-01-2019, 01:06 PM
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I was there. I bodged a fix.. Not good. Later found the real culprit. The ignition switch.
The left under scuttle fuse rack is powered from it!! Undid bodge., back to factory. All is well.

There are two brake switched operated by the pedal!!!! Opposite function!! Different tasks!!

1. Closed til pedal applied. Disables Cruise control!!

2. Open til pedal applied. Powers brake lights!!

3. I prefer solder and shrink tubing to make splices. Some say crimped connectors
are best !!!

Carl
 
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Old 05-01-2019, 03:49 PM
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Carl,
Vampire clips get the Garlic treatment here!

If I can, if there's room, I use uninsulated butt connectors and then solder them.
I​​​​​​​'veNever had one fall apart.
(';')
 
 
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