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Discussion Starter · #1 ·
Is it a common practice to disconnect oil pressure switch and connect the wire to ground? (See pics)
I purchased a 2003 new beetle convertable from a small dealership in 2018. It ran good for a few years, then left me sitting along the highway over an hour from home.
Found out that the camshaft was broke and it was covered in dried carbon or oil (see pics)
Oil and temperature lights never came on.
I replaced the engine and wondered why there was a ground wire on the air injection pump.
Does anyone know where I can get the connector to put it back on the oilI pressure switch?
 

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Which engine are you working with (1.6L or 1.4L)? The sludge, looks like the oil was’t changed; often enough and/or not vw spec synthetic type?

There are a couple types; you can get a nee plug housing, repair wires from your vw dealer parts dept or a pigtail from online sources.


On the sai pump: there should be a plug with multiple wires, it sounds like someone may have hacked the harness and made a non stock ground (check if it works; maybe the disabled it)?


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Discussion Starter · #3 ·
It's a 2.0 liter with 150k miles on it.
I found a ton of Connectors with Google search, but I am getting one from Amazon.
Yea, I think I was sabotaged by someone bypassing the oil pressure switch. You can see the wire with a crimp on eyelet going to ground in the pic.
Thanks for the info!
 

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Discussion Starter · #5 ·
It always ran hot and made a ticking sound that no one could diagnose. I think it was toast from the beginning of my ownership.
You never know what you are getting when you buy used
 
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