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Recently my radiator fan stopped working and upon inspection I noticed this cut in the wiring near the front driver side, in between the battery and the driver side headlight. Does anyone know what this wiring is? It looks like it goes into the radiator fan but I can’t tell. I don’t want to have to install a whole new fan if it’s just a wiring problem. Could it just be the wiring harness?

1999 GLS 2.0 New Beetle A model
 

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Definitely, a possibility! Your local VW dealer, can get you the needed terminal repair wires and a new plug, if needed. For the terminal butt connectors; I would follow VW's recommendations and use the heat shrink, adhesive lined, crimp style and that will have a solid, sealed connection.
 

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Thanks
Definitely, a possibility! Your local VW dealer, can get you the needed terminal repair wires and a new plug, if needed. For the terminal butt connectors; I would follow VW's recommendations and use the heat shrink, adhesive lined, crimp style and that will have a solid, sealed connection.
Definitely, a possibility! Your local VW dealer, can get you the needed terminal repair wires and a new plug, if needed. For the terminal butt connectors; I would follow VW's recommendations and use the heat shrink, adhesive lined, crimp style and that will have a solid, sealed connection.
thanks I’ll look into that, I posted a few more pictures in this thread that show the route of the wiring
 

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2001 Volkswagen New Beetle 2.0
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Just a thought, that isn't the connection to the ambient air temperature sensor is it? (2 pin connector to sensor mounted behind the left side lower front grille, for clarification, below battery, left of radiator). Does the temp. read plausibly in the clock/temp. display in the roof panel? Otherwise, sorry not sure what it is, the radiator has a 3 pin connector to the cooling fan temp switch (2 stage) this is also in same vicinity, the 3 wires are thick 4mm if memory serves me.
 

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The temp display inside reads reasonably. This wire comes from the top middle of the radiator fan, directly under where the hood latch is and goes along the top of the fan housing towards the battery and then goes down below the battery to what looks like the transmission fluid pan area. The cut is along the top of the housing next to a plastic plug
 

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The temp display inside reads reasonably. This wire comes from the top middle of the radiator fan, directly under where the hood latch is and goes along the top of the fan housing towards the battery and then goes down below the battery to what looks like the transmission fluid pan area. The cut is along the top of the housing next to a plastic plug
Hi again,
From what you've just described, this is the bonnet(hood) catch switch wiring. This is to a microswitch inside the catch for alarm sensing. Nothing to do with the fan, recommend fixing anyway to prevent any other issues, but not related to your fan.

Chris
 

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Yes, I followed your instructions/VW recommendations with the crimp style heat shrink but connectors but it did not fix my radiator fan. Looking for other loose wires, etc
 

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Discussion Starter #10
Thanks I appreciate the help, I reestablished the connection for the hood catch swing wiring. I noticed while taking a look under the engine bay, these loose/unplugged wires. Do you have any idea what these could be or where they connect to? If they could possibly be related to the radiator fan? These are located under the driver side parking light/sidelight (passenger side for European models)
250055
250056
250057
 
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