[Patrick L.]

These units have been around for many years and usually work well.. That said, what you're experiencing is a common problem.. The lights work except for the indicators.. Generally its as you found, too much internal grease.. Clean that out and usually a 'little help' [adding a little more tension] to the contacts fixes them.. Like Doug said, an extra ground wire is helpful.. My indicators are still intermittent, but, I can see the cowl lights flash reflection on the headlight buckets.. If flashing is a problem, its usually the flasher.. It seems to be a problem finding decent flashers..