Tech issue: Roadshow flashers not working...Fuse blowing

GameyMcGame

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Tech issue: Roadshow flashers not working...Fuse blowing

this is a strange one.

I noticed the flashers on my roadshow werent working. I check the fuses and fuse F111 on the power board is toast F111 is listed as the 'secondary flasher' fuse in the manual) . I change it out and BAM fries instantly upon startup.

So, I start tracing things back. I find that if I unplug the connection to the High Current Driver Board (in the cab connected to the shaker motor), the fuse doesnt get fried.

BUT, the flashers dont come on either...Strange because the +20 and ground loop at the HCD board...

Any ideas?
 
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Ok, so I just realized I'm not getting +20 on the boards test point...The +20 LED on the power board does light though...

Back to the drawing board
 
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