XK8 / XKR ( X100 ) 1996 - 2006

Brake lights do not work

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Old Jun 17, 2021 | 02:47 AM
  #21  
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You did what?
 
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Old Jun 17, 2021 | 06:01 AM
  #22  
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I swapped the switches
 
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Old Jun 17, 2021 | 08:40 AM
  #23  
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Do you mean you physically swapped the switches or all four of the connections? Tell us what colour wires you swapped.
 
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Old Jun 17, 2021 | 10:28 AM
  #24  
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I unsoldered all four wires and soldered them 1-4 to 2-3 and 2-3 to 1-4.. When the warning came on I disconnected the switch, but it was too late. The car is dead now. Where is the fuel pump relay? I cannot find it.
I have removed ECM, opened it looking for some blown parts, or burnt pc leads. Everything looks intact.
 

Last edited by dneu; Jun 17, 2021 at 10:41 AM.
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Old Jun 17, 2021 | 10:46 AM
  #25  
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Originally Posted by dneu
I unsoldered all four wires and soldered them 1-4 to 2-3 and 2-3 to 1-4.. When the warning came on I disconnected the switch, but it was too late. The car is dead now. Where is the fuel pump relay? I cannot find it.
I have removed ECM, opened it looking for some blown parts, or burnt pc leads. Everything looks intact.
There must be something else to explain this, such as a blown fuse. You tested the switches out of the car and they were inverted compared to the wiring diagram. If you swapped the wires as you said, all you did was swap the switches over:-

"I have removed the switch and tested it. In the neutral position the switch between terminals 1 - 4is closed and the switch betwwen inner terminals 2-03 is open. In the depressed mode it is reversed"
 
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Old Jun 17, 2021 | 11:30 AM
  #26  
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I will order a new switch, but right now I have more serious problem - a dead car, Fuel pump does not deliver fuel. those two codes are persistent - P0447 and P0629. Also FOB does not communicate. A trunk and gas tank do not open.

I found the culprit of my panic - it is that butchered white connector BT1. It has a broken off locking tab and I did not wrap it in electrical tape as those professionals had done.
 

Last edited by dneu; Jun 17, 2021 at 12:15 PM.
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Old Jun 17, 2021 | 01:20 PM
  #27  
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So is everything working now?
 
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Old Jun 17, 2021 | 06:00 PM
  #28  
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I found a pin in the white connector that was pushed partially out that I overlooked previously. I did my best to repair wires and fasten lose pins. Heureka, everything works now, but I would like to find somewhere that white connector and replace the butchered one. Thanks, gentlemen, your help was indispensable.

Dušan Neumann
 
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Old Jun 18, 2021 | 02:31 AM
  #29  
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Glad you got it working - it just shows how careful you have to be when disturbing the wiring, its all too easy to misalign a pin and cause more problems. The connector types are all listed in the electrical guide, which should help track down a new one on eBay - from your picture it looks like a Multilock type 070 connector - count the number of pins to find the one you need.
 
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Old Jun 18, 2021 | 09:47 AM
  #30  
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Glad you got there.
The 2001 Electrical Guide agrees with dibbit on the connector: 20-WAY MULTILOCK 070 / WHITE
 
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