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I just did a cluster upgrade on our project, spedo only to SR5, plug and play, very nice. <img src="/forums/images/graemlins/kewl.gif" alt="" />

I had noticed the old temp gauge jumping up rather soon so I took the time to clean the contacts on the 'new' one (no star washer though) before install and the problem went away, now I have a smooth climb as the temp rises.
Just to see I took the old cluster, cleaned it and hooked it back up and what do you know, smooth as silk.

SO, if you have temp indication problems this is definitly the first place to look.


I suspect you may be right. All my gauges seem to be just a little smoother and more responsive since I cleaned everything up.

If I wasn't deathly afraid of bringing the problem back by taking it all apart again, I might take the star washer out and see what happens.

That copper polish did bring every last one of the contacts back to absolutely 100% non-oxidized shiny.

My Truck: 1987 XtraCab DLX 22R 4WD 5 Speed Manual
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"Speed has never killed anyone. Suddenly becoming stationary, that's what gets you." -Jeremy Clarkson