I would also look at the blinker relay.It's a combination blinker/hazard relay.It's up under the dash on the left of the steering column.Hope this helps
SOURCE: I have no brake lights,
there is a short somewhere-try disconnecting all components on that circuit,put new fuse and try using one,if the fuse still blows,problem is in wiring or switch unit,if not,plug one component in and a time until the fuse blow,replace component
accordingly.make sure there is no slightly shaved wire touching the chassis,this will show when all if d/c'ed and fuse still blows,good luck
SOURCE: 99 Dodge Ram 1500 4x4 / nothing but parking lights,no flashers or brake lights......
I found the problem on my Dodge Ram van.. The button for the hazard lights was bad.. I tuned on the hazard lights and only had one side, so i jiggled it and the other side came on. Then I pushed in the hazard button to turn them off and proceeded to check the brake lights, the still did not work so I again jiggled the hazard button and whaaalaaa the brake lights would flicker on and off.. I have a piece of cardboard pushing the button to the side to hold pressure on it keeping my brake light connection until I can get me a new hazzard switch.. Hope this helps..
SOURCE: 2006 Honda CRV Signal/Hazzard Lights not working
How did you check the flasher relay? I only ask because it is a circuit board. But anyways if you feel confident that its fine then I've seen the multi-function switches fail. IM talking about the the lever on the steering column, behind the steering wheel. If you probe the plugs for signal/hazard lamps and you have ground but no power then I would test the multi-function switch.
SOURCE: my 1999 ck 3500 chevy truck signal and hazzard
There is a make or break circuit between the fuse box and the computer that may have sprung. If you find the relay, there is a small small hole in it. You need a toothpick, put the toothpick in the hole and there is sort of a button in there. You will hear it pop like a spring going into place and then the indicators should work.
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