SOLVED !!!
I found the problem doing a wiggle test to the cables under the dashboard.
The problem was a
cable connector in the Fuse box under the steering wheel.
The connector is named C371 in the Ford TIS wiring diagram.
In the following pictures you can see a pin open and the connector melted.
This have cuased poor electrical contact and finally the pin open and no power to the
HVAC Climate control panel.
As I have read in other forums, this is common fault in the Cougar and the Contour (Mondeo), and most cars have this connector melted.
You can read about this same problem in this Contour forum:
https://www.contour.org/forums/thre....-blower.53810/
Luckly this connector is still available new.
I bought a new connector, replaced and the Climate control works again.
You can found this connector searching the following words in eBay or Aliexpress:
"Heater Blower Fan Resistor Wiring Harness Connector Ford"
Here some links to buy it:
https://www.parlakoto.com/en/catalog.../view/id/10135
https://onecarpart.co.uk/p/17082/par...-pin-connector
https://es.aliexpress.com/item/1005001779884938.html
https://es.aliexpress.com/item/32914832426.html
https://es.aliexpress.com/item/1005001779925847.html
This are the part numbers of the connector I have found:
MOTORCRAFT: WPT-480
STANDARD MOTOR: S-719
FORD OE: 977632
ACDELCO: 88860548 / PT1993
ACDELCO PROFESSIONAL: PT1993
ACDELCO PROFESSIONAL CANADA: PT1993
AIRTEX AUTOMOTIVE DIVISION: 1P1403 / 1P1408
AIRTEX ENG. MGMT. SYSTEMS: 1P1247 / 1P1403
AUTOZONE/AEM: 1P1247
AUTOZONE/DURALAST-WELLS: 615 / 771
AUTOZONE/MOTORCRAFT: WPT-480 / WPT480
CARQUEST: 57-4694 / 57-5182 / 57-5187 / 574694 / 575182 / 575187
CARQUEST/STANDARD MOTOR PRODS.: 574694 / S719
CARQUEST/WELLS: 575182
DORMAN: 973-303 / 973303
DORMAN - TECHOICE: 973-303 / 973303
KEMPARTS: 350363
NAPA: EC158
NAPA/ECHLIN PARTS-ECH: EC158
NIEHOFF: PS37501
WELLS: 57-4694 / 574694 / 771 / 776
I hope this can help to someone.
Best regards.