XK8 / XKR ( X100 ) 1996 - 2006

Throttle Position Sensor Plug Wires

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Old 04-30-2021, 05:14 PM
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Default Throttle Position Sensor Plug Wires

Hello all, I have a problem.
While putting in a new rear main seal I apparently knocked 3 of the 4 wires out of the TPS plug, only the black/green wire is still attached.
The wiring diagram in my service manual shows the black/green wire is pin 3, but it is pin 1 in my car, so I can't trust the book.
The wires I have are blue/white, blue, green, and black/green. The plug goes into the TPS vertically.
Could anyone please let me know the correct order of the 4 wires from top to bottom?
Thank you for any assistance.
 
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Old 05-01-2021, 02:47 AM
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What car and year? My wiring diagram for a 2001 shows:-

1 BG
2 G
3 N
4 OY
 
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Old 05-01-2021, 05:37 AM
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Originally Posted by dibbit
What car and year? My wiring diagram for a 2001 shows:-

1 BG
2 G
3 N
4 OY
Oops, sorry. This is my first post.
I have a '97 XK8.
I hear they changed quite a bit by 2001.
Thank you for trying.
 
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Old 05-01-2021, 08:09 AM
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Here's a snippet from the 97 Electrical Guide, which shows

4 UW
3 U
2 G
1 BG

so your pin #3 #1 is in agreement with the above. Note, however the caveat re cars with VIN last 6 <= 003300

My 98 has the same TB and also concurs with the above:- pin numbering seems to be bottom to top.

edit: correct pin reference, doh!

 

Last edited by michaelh; 05-01-2021 at 09:36 AM.
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Old 05-01-2021, 11:11 AM
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Thank you Michael!
That's the picture I have in my manual as well, but didn't realize what the -numbers meant.
I should have it back together soon, thank you again!!
 
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