Question about 2001 Volkswagen Jetta TDI
Have changed bulbs, fuses, relays, switch at handbrake, and headlight switch. Lights usually come on when handbrake is released but now will not come on even when light switch is turned to low beam lights. High beam lights work as do turn signal lights and all other exterior lights. Want to replace daytime running light relay but unsure of how to remove it or its location. I have the exact same problem with a 2003 Jetta GLS. Need to know where the relays are. The owners manual is useless. I have the same problem and haven't been able to find out where exactly the problem is.
The problem is in the high beam switch assembly which also houses your
turn signals and possibly cruise control, and yes, I'm sure. There are some electrical
contacts in the assembly which dis-connect the low beams when you put
the high beams on. Constant use of the high beam switch will create
arcing on the low beam switch which makes the contacts not conduct
electricity anymore. The daytime running lights send power to the low beams on a separate circuit. .
The repair is to either replace the assembly, $300 at dealer, $100 or less do it yourself, or take the assembly apart and clean it for free. (2 hours or less)
Instructions on taking your steering wheel off here: http://forums.tdiclub.com/showthread.php?t=151557
Instructions for fixing the switch here: http://forums.tdiclub.com/showthread.php?t=167831&page=4
P.S. If you own a VW, especially around model years 1999 to 2004, there is a rare but devastating problem with engine coolant being literally pumped through all electrical parts of your car.... destroying it. Repair cost = $8,000. It is called coolant migration. Check your VW right now (takes two seconds, literally), and do a two-minute procedure to fix your car to prevent the problem here: http://www.myturbodiesel.com/1000q/multi/coolant_migration.htm
Posted on Aug 20, 2010
It is the turnsignal switch
Posted on Nov 13, 2009
Have you changed the relay it could be that
Posted on Jan 19, 2009
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Posted on Jan 02, 2017
I don't have a wiring diagram ,but on most cars I would say your low beam bulb is bad. Try swapping sides to see if the problem goes with it, or just replace the bulb. You can always keep the new one until needed someday... shadetree mech by necessity.
Posted on Jan 23, 2011
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