Question about Yamaha 2005 Grizzly 660 Auto 4x4
Electrical issues with LCD screen not working.
The first thing I would check would be the fuse box. Next, take a look at the the electrical connections for the LCD screen. You've got an off-road toy which most likely is subjected to lots of vibration and occasionally moisture. Do what's necessary to access the back of the dash and check to make sure the electrical connection is still plugged in. If so, unplug it and check for corrosion. According to your description the entire screen is out, so most likely it's not an individual sensor. The bike probably has several electrical ground locations on the frame. Check to ensure they are all clean (bare metal to bare metal) and tight. If it's still not working at this point, you are probably going to need to start looking for broken or grounded wires. You will need a multi-meter to do this properly. If you've never used one before, watch a couple videos on YouTube on how to do an ohms test, then disconnect the battery and test each wire from the LCD screen plug to where ever it terminates.
Finally, it's always possible the screen itself is actually dead. I don't know of a way to test to know one way or another. If you have a friend with the same bike, you can always swap the screen to know for sure.
Posted on Nov 30, 2013
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Posted on Jan 02, 2017
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