Electrical

DRL removal, Euro light switch, etc.

• How to remove the headlight switch: select the setting furthest to the left, push in about 1/8", turn clockwise, then pull out. Disconnect connector.

• "Euroswitch Part Numbers" [vwvortex] and other info

Part Number	Features	Made in
1K0 941 431 A REH	off / auto / side lights / headlights / front fog / rear fog	Spain
1K0 941 431 C REH	off / side lights / headlights / front fog / rear fog	Portugal
1K0 941 431 REH	off / auto / side lights / headlights / rear fog

• Pic of Euro headlight switch, w/o "auto" position:

• Pic of Euro headlight switch, with "auto" position [vwvortex]:

• How to disable DRL with VAG-COM. You do not need the Euro headlight switch.

• Behavior of lights with and without Euro headlight switch, with DRL disabled and fogs & highbeams enabled.
  (Pics also saved here.)

• Pics illustrating lights' behavior with Euro headlight switch in various positions

• With the Euro switch, one will need to to disable the DRL's (via VAG-COM) if one wants to run the city lights without the main beams [vwvortex].

• Info on "auto" setting on Euro switch [vwvortex]:
  "Car headlight function requires the Rear View Mirror with the light/rain sensor, along with some particular long code software. Putting in an Auto/Euro Switch will not harm the car, but not all of the features will work, such as Auto On Headlights when it gets dark."

• Where to get Euro headlight switch:
  • Dynamic Motorworks ("MK5(05.5+)" > "Interior")
  • Hillside Imports
  • TM Tuning ("Euro/OEM" > "Golf 5")
  • vw.oempl.us ("Golf & Jetta V" > "Lighting" > "Headlight Switch - Non-Auto")

• "Trouble getting Euro switch to operate fully": problem w/ DRL light etc. w/ Euro headlight switch[vwvortex]
  

Headlights, fog lights, turn signals, brake light

• MkV Jetta headlights are different from MkV Golf headlights. [vwvortex]
  

• Rear fogs

• Enable rear foglight on Euro LED tails (PDF)

• What R32 tail lights look like [vwvortex]: off, red running lights, amber turn signals, red fog light on left in left back-up light's position, clear back-up light on right.
  R32 and Euro Golf tail lights are available from:
  • http://www.tmtuning.com: R32 tail lights
  • http://www.oempl.us: R32 tail lights (amber turn signals, foglight, tinted) and Euro Golf tail lights (amber turn signals, foglight, not tinted).

• "DIY - Custom R32-Style Taillights" [vwvortex]: spray tinting your tail lights.

• How to remove tail lights

• "Inner headlights next to HID on GLI" is for flash-to-pass [vwvortex]
  

• How to get inner halogen lamps to come on when flash-to-pass and to stay on w/ Xenon high beams

• VAG-COM code for improperly adjusted headlights dynamic range adjuster ("auto-leveler")

• VAG-COM procedure to center the headlights' dynamic range adjuster ("auto-leveler")

• How the headlights' "dynamic range controller" arm should be positioned [vwvortex]:
  

• How to install smoked lens on mirror's turn signal (with pics), at vw.oempl.us
  (Also here.)

• Headlight washers work when the headlight is on (i.e. the headlight switch is in the on position, regardless of whether you have daytime running lights) and the front windshield washers are activated. If the headlight is off, the headlight washers only come on every third time the front windshield washers are activated.

• 2007 2.5 Jetta with color coded taillight surrounds:
  

Miscellaneous lighting things

• MkV Forum Lighting FAQ & DIY[vwvortex]

• Video of headlight washers in action on a white MkV GLI

• Euro lighting from Hillsideimports.com[vwvortex]:
  • Smoked R32 tails for Golf V:
  • Jetta V LED tail lights:
  • Euro headlight switch:

• Car-specific clear and colored protective films for headlights, fog lights, taillights, paint work, etc.

• Using LED's as license plate bulbs [vwvortex]

• PDF: "MKV Jetta DIY S6 type light construction": Excellent instructions on how to add LEDs (real LEDs, not strip of LEDs!) to the grill of a MkV Jetta. (The PDF is also saved here: File:Mk5-s6lights-diy.pdf.)

• "HOW TO- RS6 Avant / TT-S style LEDs for Audi A3.", [vwvortex]

• Adding flexible LEDs strip "running light" [vwvortex]
  Source for flexible 12V LED strips

Wipers, washers

• "wipers - how do you get them in the UP position?"[vwvortex]
  
• "winter position on wipers"[vwvortex]
  

• Video of headlight washers in action on a white MkV GLI

• Problem: wipers temporarily not working[vwvortex]

• Wiper "shudder" when pulling the key out of the ignition. [golfmkv.com]

• Problem: rear wiper turning on by itself, need to turn it on and off to turn it off.
  One resolution: dealer replaced rear wiper motor: has not encountered problem since.

Alarm

• "Just got 06 jetta 2.5, can you stop horn honk when you lock car?"[vwvortex]
  

Miscellaneous electrical things

• "VW connection to IPOD..."[vwvortex]
  
• "Trailer wiring without a signal converter"[vwvortex]
  
• Speedometer errors

• "Easter Egg" in Climatronic: how to get display to show digital "uncorrected" speed and RPM:
  • [1]
  • [2]

• "Easter Egg" secret display in radio:
  • Press and hold scan button: radio options menu appears
  • Keep holding: display goes back to normal
  • Keep holding: display goes to radio "service" menu:
    

• "Easter Egg": showing current speed digitally:
  • Click the MFD "Up" or "Down" button until you get to the "Set warning speed" display. (It's in the same rotation as "MPG", "Miles to empty", "Distance travelled", etc.)
  • Click "OK" until three dashes show.
  • Click "OK": the warning speed displayed is your current speed. (It's just one reading of your speed right then; it's not gonna change continuously as you pseed up or slow down.)

• Grommet under driver's side dash, good for running power wires etc. from the cabin into the engine bay. [vwvortex]
  

• Adding Tire Pressure Monitoring System (TPMS) to an Audi A3 (plus info on doing the same to a MkV GTI). [vwvortex]

• "The CAN Data Bus, Design and Function"

• "How to Read Wiring Diagrams: Symbols, Layout and Navigation"

• Black Panther batteries, now known as "Odyssey batteries"
• Lightweight battery alternatives

• Engine bay fuse box [vwvortex]