Join Date: Dec 2013
Location: Glos UK
Thanked 3 Times in 3 Posts
You've may have got the feed/return to the indicators reversed. OE indicators work regardless of polarity as they're just bulbs, but led units only work if feed/return is correct way. You can't damage them reversing it, they just don't work.
However, its strange that the dash telltale isnt working. The other option is the relay has failed for some reason. Time for a multimeter. The wiring diagram is here;