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O2 sensor connector replacement

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Old Jan 27, 2025 | 01:42 PM
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Default O2 sensor connector replacement

V8 O2 sensor 1 connector replacement. I've found the correct plug, seals and the 2 silver terminals but I can't find the 2 gold terminals. Does anybody have a source for these? They are Sumitomo 1500-0134
 
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Old Jan 31, 2025 | 07:33 AM
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https://www.corsa-technic.com/item.p...YK1dyPi53Euv37

looks like you are looking for 'PIN1'
 
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Old Jan 31, 2025 | 08:36 AM
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Originally Posted by WaltNYC
https://www.corsa-technic.com/item.p...YK1dyPi53Euv37

looks like you are looking for 'PIN1'
Yes but the gold version. All sorted now anyway. Cheers.
 
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Old Jan 31, 2025 | 12:30 PM
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This makes the whole ordeal much easier....

Amazon Amazon
 
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Old Jan 31, 2025 | 01:28 PM
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Originally Posted by Mntnceguy
This makes the whole ordeal much easier....

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
This is no good as it has 4 silver pins. The oxygen sensor and the plug on the car loom has 2 gold terminals and 2 silver terminals. The gold and silver terminals have different resistance. The gold is also less suspectable to corrosion. You'll also need to connect the wires with will also add resistance. The resistance will effect the readings.

Cheers for the suggestion though!

I've sourced plenty of gold terminals now. I might put little kits together so people can easily replace theirs.
 
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Old Jan 31, 2025 | 08:39 PM
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Originally Posted by Bone9
This is no good as it has 4 silver pins. The oxygen sensor and the plug on the car loom has 2 gold terminals and 2 silver terminals. The gold and silver terminals have different resistance. The gold is also less suspectable to corrosion. You'll also need to connect the wires with will also add resistance. The resistance will effect the readings.

Cheers for the suggestion though!

I've sourced plenty of gold terminals now. I might put little kits together so people can easily replace theirs.
What I linked are used at the LR repair shops in my area for that job, no known issues. I also repaired my personal 04 D2 with these 3 years ago, been working perfectly and within specs. It's often hard for folks to do that type of terminal repair without the proper crimpers, and those can be expensive for a one time repair. Easier to do a wire splice for most folks
 

Last edited by RA122125; Jan 31, 2025 at 09:53 PM.
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Old Feb 1, 2025 | 02:40 AM
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That's fair enough. I just like to do a proper job.
 
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