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VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old August 4th, 2005, 11:28   #1
Join Date: Feb 2004
Location: Connecticut
Fuel Economy: 42/37/35
Default where is cooling fan relay

where is the cooling fan relay located. Fans will not come on.
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Old August 8th, 2005, 07:45   #2
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Join Date: Oct 2002
Location: Toronto & Whitby
Fuel Economy: 4.5L/100km
Default where is cooling fan relay

Under the battery tray. It looks like this (mine is unbolted from its location so I could take the picture):

If the fans are not working, you can disconnect the plug that attaches to the radiator and jump 2 of the wires to bypass the relay. That way you can test to see if the fans work or not. If they work, test the sensor in the rad. I'm not sure what the ohm range should be as I don't have my bentleys with me. Maybe someone else can chime in with that info. Also, don't forget to check the fuses. The center fuse under the battery cover is for the fans.

Good luck.
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Old August 14th, 2005, 21:04   #3
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Join Date: Jul 2003
Location: Howard Co. Maryland,U.S.A
Fuel Economy: 53/?/48
Default where is cooling fan relay

Does the A/C work? With the A/C on The fans should work.If they don't come on it's the control module. As in the pic part #1J0 919 506 N ( VW ). If the fans work with the A/C on then don't fot get to check #16 fuse in the car and the fuses on top of the batt.- S164 and S180
let me know if that helps before going farther
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Old September 14th, 2005, 17:32   #4
Join Date: Jul 2005
Location: illinois
Default where is cooling fan relay

I'm having a problem with my 2000 beetle did timing belt yesterday. Runs great but when I turn the key on the radiator cooling fans cycle on and off and this 506 relay clicks on and off I also do not have any a/c which was fine before the tb. When driving at night when the fan goes on and off the lights dim slightly. Any ideas?
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