1985 VW Jetta Diesel, problem with lights. The high beam lights and tail lights do not work. Also, the fan does not cut off and the A/C does not blow cold.
Check head lights and tail lights relay.replace fan relay.check ac compressor make sure its getting power. if all good have ac check to make sure it have the right amount refrigerate in system.
check high beam bulbs make sure they are not burn out. if they
are ok replace dimmer switch.for tail lights side lights parking lights check fuse .if fuse is good check bulbs if bulbs good. clean out bulb sockets using a spray electronic cleaner.that using cleaning electrical connectors.if still get no lights.you have ground wire problems.clean out tail light sockets first.
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The low beam lights work fine, but when I switch to high beam, there are no lights at all. The tail lights never work even though I have brake lights and turn signal lights. There are no side lights or parking lights. Could this problem still be a relay problem even though the low beam works?
I am the one that owns this VW, and I found that the problem was that the fuse box had corroded on the inside. I replaced the fuse box, and all is well. Thanks fellows for your help.
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