Help with sporadic flashers

[greenjeepster]

I have flashers and turn signals that seem to be sporadic and need ideas on tracking down the problem.

At first only the L side was flashing, R side stayed on solid. Then it went to neither side flashing and I figured I needed a new flasher unit. I went out yesterday to change it out and flipped them on and both sides work fine now. I have done absolutely nothing to it to correct the problem. It has been parked in my yard and wasn't working two weeks ago, now they work?

Is it possible to have a sporadic flasher unit?

 

[86humv]

Bad grounds cause lots a problems on these trucks.

 

[greenjeepster]

My line of thought is that if it was a ground it would not come on at all. Both lights come on, just don't flash?

 

[Coffey1]

My M923 did this and it was the connection at the lever was unscrewed just enough to make it do that.

 

[tage]

My GP truck did the same thing. Let it sit for a week then everything works as normal. I chalked it up to electrical gremlins, and left it as that.