Yeah, I know. I thought I was being so clever back then, but my web server lost the content. I will attempt to describe below to make up for lost time.
To elaborate what I said above, the basic fix is to remove the cowl, and eventually get to the instrument cluster. It has 2 cables plugged into the back. The one cable only has 3 wires going into it (I think). That's the one that you want to reflow the connectors on the instrument panel. The other one with lots of wires I think is used for the warning lights.
WARNING: I would only do this if the only other option is replacing the unit, because if you do it poorly you could break your instrument cluster.
To do the reflow, I used a normal soldering iron, and let it heat up for a while, then I pressed it on to each of the pins that are used (there are only 3 out of all of those), along the length of the pin to get as much heat transfer as possible. Be careful not to touch the plastic as it will melt. I heated it until the pin moved, then I moved it back into place. I did it three times for each of the pins, and I still haven't had any significant problems with it.
The only problems I've had were from this last winter (I think it's spring now
) It reset shortly after I started driving, which caused the tach and the speed to have their 0 values reset. I had to disconnect the battery to get it to work again. That only happened on cold and humid days. I do not know if it's related to the problem above, or if it's some other internal problem.
I hope this helps save some people some trouble.
2005 Laser Blue Elise, base model (with 2 oil coolers), Bridgestone RE-01R 205/45/16+245/40/17, 4Tress harness bar, 6-Point Schroth harnesses, Cup Car Ohlins, Blackwatch Racing adjustable anti-sway bar, ekological HID kit, Sector 111 rear panel eliminator, 2bular 7" single tip exhaust, Sector111 DOWNLow seat, Sector111 tiny mirror, Braille battery, LidBone, multivex side mirrors, snorkel delete, infinity kappa 42.7 front speakers, acousti-stuff behind rear speakers. It adds up so quickly.