I re-soldered all the joints and re-installed. Problem persisted but I left the cover off for further inspection. What I found is that if I push the drivers side top connector slightly forward, all would work. Release and then intermittent check gauges and beeping as described above would return.

I used a water bottle top wedged in between the connector and the cluster cover then zip-tied it to the harness/connector. It has fixed the issue completely. Next I am going to ohm out the board and gently push on that spot looking for the root. For now though, the bottle cap is just enough to keep everything seated on the PCB. I am an EE who has been trained in IPC 7711/7721 rework and repair of electronic assemblies. The following photo is before I secured it with zip ties. Found that it worked without but wanted to be sure it wouldn't vibe out of place.

 

when you were having the issues/problems, did it only impact the gauges/cluster? Or, did it ever kill engine and/or prevent restarting? Thanks.

 

It only caused gauges to drop, 4x4 lights, and buzzing. Could still start and didn't kill the engine. I was able to start the engine with the cluster completely disconnected.

 

thanks

 

I had my dash apart this week trying to chase down this same problem. I noticed the same thing, if you wiggle the left top connector to the instrument cluster that everything would work as it should. I put gorilla tape on my connector to keep it wedged to keep the connection Please keep up updated. I have been searching for a permanent solution.

 

I know this is now years later, but I will definitely give this a shot! I have an 04 and about 8 months ago my odometer quit showing numbers but stayed lit. Then about a month ago I noticed my speedometer would randomly drop to 0 then back up to speed. Then just recently I was driving and all my gauges would drop to 0, every light on the left side of the cluster would light up, and it would start beeping. As well as the radio and dome lights stay on sometimes when I close the door. Took the cluster out today and re soldered everything. Plugged it back in and boom everything was working normally again. Went to the store to get some victory beer and when I came back and started it up again, all the same issues returned. Unplugged the cluster again and plugged it back in, everything was working again. But once I turned the truck off and back on the problems came right back. Gonna give this bottle cap idea a try and if that doesn’t work I’ll most likely get a new cluster.

 

Gotta love this forum. Luckily we're resurrecting this thread together. Ha - I've been having this problem for months now and the tried and true "Whack the Dash" tactic was no longer cutting it...

Symptoms - all at random intervals
Dash beeps like I'm hitting the info, setup, or reset buttons
Dome/Bed lights flicker or go out
Odometer goes out
Dash bulbs do self check/stay on
Gauges go to 0

I found my bad connection. it was the right side one on the cluster. I took out the dash and attempted to reflow the contacts, but it doesn't appear to have done anything. Instead I went for the zip-tie approach. Hopefully this will solve it for a long while - otherwise it will be a new cluster.
I ended up drilling a hole at the top of the cluster right in front of the connection to get a zip tie in. It needed to bring the connection forward (The position where the dome lights would go on and off like they're supposed to.) and no other red neckery was working...

 

Makes sense. I just came from car wash when this happened.