2 weeks ago I swapped the heater core in my truck I was then able to put it all back together and it ran fine only problem was I left a vacuum hose off so i couldnt switch where the heat was blowing. also i was having problems with my head lights flickering on and off. so yesterday I take the...

I have a problem. My Turn signals and hazards do not work---I have checked the fuse in the fuse panel--NUMBER 19, 10 Amp fuse--it's good. can't find any other information about this in the CHILTON/HAYNES manuals--word for word they are exactly the same--I think it's the combination flasher...