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Ford warns about leaving a PSOM face-down causing some discoloration, and this is an example of that. Silicone grease from the needle movement is seeping into the LCD, causing it to delaminate, like some rear-view mirrors do. The only fix is to replace the display, which only comes in a PSOM assembly. Try to find one with similar mileage, but they're stored on the PC board - not in the LCD. So if the replacement's miles are substantially different, only swap the LCD into your original PSOM. New odo display ~$90 |
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![psomface.jpg Ford warns about leaving a PSOM face-down causing some discoloration, and this is an example of that. Silicone grease from the needle movement is seeping into the LCD, causing it to delaminate, like some rear-view mirrors do. The only fix is to replace the display, which only comes in a PSOM assembly. Try to find one with similar mileage, but they're stored on the PC board - not in the LCD. So if the replacement's miles are substantially different, only swap the LCD into your original PSOM.
[url=https://modulemechanics.com/product/f4uf-10d922-ba-replacement-lcd-for-1992-1997-ford-psom-odometer-screen-display/]New odo display[/url] ~$90](https://www.supermotors.net/getfile/676348/fullsize/psomface.jpg)