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weldon

weldon 6/8/2021

2009 Volkswagen Rabbit S 5 Cyl 2.50L

Body & Interior

halogen headlights do not work

my model S has headlights with xenon bulbs on the outside and halogens on the inner part of the assembly. the halogens are supposed to come on when the switch is turned on. they don't.
the bulbs work
i recently replaced the ECM and that isn't the issue.
i replaced the switch. not the issue.
when i remove a bulb a sensor light comes on in the dash
i can't figure it out. is it a relay? is there a fuse that i am overlooking?

1 Answer


Teddy B

Teddy B 6/8/2021

You overlooked the fact you haven't looked at a wiring diagram
to study how the system works & then test it to find an issue.

You just guessed & started replacing parts like it was 1970
with no idea where to even start a testing process.

You can not resolve what you don't understand or learn from
proper testing.

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