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klarzy · 24th October 2019, 20:32

It's a breakdown of the carbon tracks in the ribbon cable to the screen just before the LCD signal processor.
Heat and vibration both cause and temporarily repair this.
Constantly using the mph display on long trips can make it degrade further as the system was only designed for intermittent use when a message was displayed..

24th October 2019, 20:32	#5
klarzy This is my second home none but not gone Join Date: Mar 2013 Location: March, Cambs Posts: 16,437 Thanks: 894 Thanked 4,247 Times in 3,025 Posts	It's a breakdown of the carbon tracks in the ribbon cable to the screen just before the LCD signal processor. Heat and vibration both cause and temporarily repair this. Constantly using the mph display on long trips can make it degrade further as the system was only designed for intermittent use when a message was displayed.. __________________ [SIGPIC][/SIGPIC]….All praise Bananaswan….