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BigBoy
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215 Posts
Discussion Starter #1
Hey guys,

Just found an issue today, stuck what to do.
I have the R34 GTT, all has been fine and so on for ages... Not driven car since last weekend.
Went out today, just found out the Brake Lights don't work....

I can turn on the lights as normal, but when I press Brake pedal, whether in ' no lights', 'side lights' or full lights' mode, I get no Brake Lights :( :(

I changed the 10A Red fuse from the Fuse box in the engine Bay, which is labelled as 'TAIL' which is between 'TCS' and 'HORN' , but still no lights, and not sure the 'TAIL' fuse relates to brake lights...

Not sure what to check, or where, etc. Any help, i would be very grateful :)
 

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Registered
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545 Posts
Sounds like brake pedal switch to me.
Unplug the wire from the switch and bypass the switch with a piece of wire on the plug and if brake lights come on the it's probably a faulty switch
 

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BigBoy
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215 Posts
Discussion Starter #3
Since posting this message, had a few peeps say looking for the 'blue' brake switch at the top of the pedal to see if anything come loose.....
Its tight, nothing loose, etc
I did read that the Brake Switch's do fail, but could be either Brake Switch or the Fuse which has popped.. The fuse which is in the panel by the accelerator pedal....
However, the fuse panel cover has all the fuse names in Japanese! Cant read which fuse is for the Brake Switch Sender....
 

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Super Moderator
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8,949 Posts
The lake of brake light could be the switch, did you try linking the two wires that go to it and see if the brake light worked? but as there are other lights out it sounds like there is a fuse or wiring fault, it a case of tracing wire routes with a meter I'm afraid.
 

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BigBoy
Joined
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215 Posts
Discussion Starter #5
Update:
Still not sorted, but had a guy take a look at things, he did his stuff with the Multimeter, checked this, checked that...
Tested the brake switch, swapped the brake switch out, changed fuses....

He tested the points with the meter in the driver side boot area, said no voltage was coming through the wire that powers the 'stop lights'........

So potentially, there is a break in the wire inside the loom that runs from the fuse panel in the footwell......

Question is, where do I go from here ? find a good Auto sparky ? is there a bodge that could be done for now, like getting some wire (car speaker wire ???) and running straight from the fuse panel to the relay block (if there is one in the boot) ?

Lichfield Imports are the closet garage for Tuning Skylines, I would assume they know there electrics too ? (dam expensive per hour mind!! )
 

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Registered
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545 Posts
If you can find out the exact fuse location number check that he's put the fuse back correctly in the correct location cus amount of times I've seen that done.
Check for corrosion in the wires and bulb holders.
I'm still surprised it's not the switch.
Did you try to bypass the switch by bridging a piece of wire on the plug?
 

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BigBoy
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215 Posts
Discussion Starter #8
hiya
the guy who done the testing, yeah, he did the continuity checks, so confirmed the switch is OK, and tried the replacement....
Changed fuses (I got the English version for the panel)....
The wire that reaches the rear of the car not getting voltage/power, so its a break anywhere between: Switch - Fuse Panel - Rear Relay
 

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Registered
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545 Posts
Wiring diagram time then.
Start at the back and work towards the front until voltage is found.
Have you done any work recently to it in case you've caught something with a screw?
 

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BigBoy
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215 Posts
Discussion Starter #10
no work at all, I don't touch anything on the car !! :D :D
I got some pals coming tomorrow to see if they can setup a bypass for the time being, enough to get me to Japfest..... (and back)
it will then be booked in with a sparky, and unfortunately, I will have to pay whatever it costs to get fixed...
I'll report back with the results (for both scenarios)
 

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BigBoy
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215 Posts
Discussion Starter #11
I got a temporary fix in place....
I don't fully understand the fix, but a mate who is an electrician, done a:
Bypass from Brake Switch to Fuse Panel, and temporary ran the wire into the ABS fuse point.......
Quick fix is, I have brake lights, but it shows that there is a break between fuse panel and brake switch.....
Next call is to the Auto electrician guy ! :)
 
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