I´ve found the solution.
I have to replace the internal mechanisms of the cluster for the Zetec V4, meaning Tach, Velocimeter and Gas gauge.
They all interact in questions of resistance and voltage, because they are interconnected behind the cluster. The Temp Gauge is the same for all, that´s the only one that stays.
Thanks to my Ford dealer tech support.
BTW,some parts are Canadian and some are US made.

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Zetec V4
K&N air filter
Tornado air system
Nology Hot Wires
Double platinum Sparks
Eagle GA tires
Ventilated Titanium Discs
Infinity Kappa series 4-6x9-200W
1 Infinity Basslink Subwoofer 200 W RMS
MTX Bluethunder Amp. 100W x 4 RMS
And very soon Full Ebaich Kit.


Contour 1996
Pearl White
Zetec 2.0 I4
Original Ford Air Spoiler
K&N Intake Hig Flow Air Filter
K&N addittional head emmission exhaust filter
Tornado Air System
Nology Hot Wires
Beru Plugs
Ventus 205/40 17 Tires
5 Spoke racing Power 17" Wheels
Power Slot Cross-drilled Rotors
Hella FF100 Fog lamps W/100w Xenon Bulbs
Hella Xenon 80WLB-100WHB Bulbs
Infinity Kappa series 4-6x9-200W RMS
Infinity Basslink Subwoofer 200 W RMS
MTX Bluethunder Amp. 100W x 4 RMS
Kenwood CDP-4009
Kenwood 6-Disc Magazine
Ebaich Springs
BNM white gauges
MOMO sport pedal covers
MOMO F-16 Shift Knob
"The White Ghost of Mexico City"