I've had summit electric gauges in my truck for well over a year now. I can not get a constant reading out of them, or atleast a reading that I can trust. I made a quick video to show what they do. Please take a look and let me know if you have any advice.

BTW the gauges are wired into an aftermarket fuse panel for constant 12V power, and a relay block to power the ignition on. The flood lights are wired into the same aftermarket fuse panel, but the fan is not.

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bad ground or a short? i figure you probably already looked into that.

 

I have not checked the ground yet. I wanted to check the resistance and see if it changes when the lights are powered on. Is there a better way to check, or just run a new ground?

 

I would just make sure your grounds are good. and nothing is shorting out. It may not even be the gauge ground, it could be a ground from something else that is feeding current up that ground.

 

If any one else has any other suggestions I would like to hear them.

I'm planning on redoing all of the gauges within the next month, and I want to make sure I get rid of whatever the current problems is. I plan to power all my gauges off of my fuse panel, and run a separate fuse panel that will be power off a relay signaled by the parking lights. Any suggestions on how to wire them correctly or better?

 

bad ground x2.