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Brian
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Discussion Starter · #1 ·
My wifes boss has a 4555 I'm working on. The clock dispay stays on with the ignition switch on the Off position. I had the radio checked out by Ag Express, and they said it was fine. They also said the brown wire going to the radio was supposed to go to 12V when the key was Off, which is supposed to turn the display off. I tried to get a schematic from the local Deere dealer yesterday, but they couldn't find one. I ohmed out a brown wire from the radio back to the switch, and it showed 5ohms. Should read 0, so I'm not sure if the wire from the radio actually runs to the switch, or if the meter is reading through some other circuit. I'm gonna try another dealer in the area for a schematic, but was wondering if anyone here had any experience with this problem. Thanks!
 
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