May not be the foil.  I had to replace the gauge itself.  Took cluster out, removed the tach and replaced the gauge with a new one from Van Cafe.  New sender in thermostat housing just in case.  All well now.  Didn't want to risk removing the tach needle, so squeezed out old one and in new one with needle in place.  High pucker factor there:)
Dan Lamb
89 Country Homes Camper the Huckleberry Sky

On Saturday, August 5, 2017, 4:21:55 PM PDT, Thomas Casal <thomas.casal@GMAIL.COM> wrote:

Hello All,

I had the bright idea of replacing my old instrument cluster foil with the
gowesty circuit board and wires.  All went smoothly changed all the wires
over without a hitch but now the blinker wont shut off on my temp gauge.
all other gauges are functioning properly.  Any one have any idea how to
fix it?  peace tom