reedal Posted January 16, 2015 Report Share Posted January 16, 2015 Alright, here's the background. 1997 Ford Explorer 4.0 SOHC 4wd Transfer case was replaced in October 2014 Issue is I recently noticed that my odometer is no longer working, but the speedometer and tachometer both still function normally . In my experience and confirmation from others, those three would be wired all together going to the tranny. So if they had left it unhooked none of it would work correct? But that experience is also with 94 and older vehicles so i could be wrong. Hoping someone on here may have an idea/answer. I'd rather not have to go back to the shop that replaced it to see what they may have done because it kills two tanks of gas getting there and back, and I'd really rather do it myself than pay someone else local. Thanks. SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
Pariah Posted January 17, 2015 Report Share Posted January 17, 2015 I'm not sure about that particular vehicle, but it is common for the odometer/speedometer to take an input from sensor(s) in the tailshaft of the transmission. Tach signal would be based on crank shaft speed. Certainly possible the issue was caused during the transfer case replacement. Also possible that, given the age of the vehicle, any number of problems could cause this. I can't tell you exactly how to diagnose the issue, but I would start with a wiring diagram. Just my .02 Link to comment Share on other sites More sharing options...
Pariah Posted January 17, 2015 Report Share Posted January 17, 2015 Quick search pulled up the possibility of the plastic drive gears in the cluster breaking due to age. Link to comment Share on other sites More sharing options...
Broke_Audio_Addict Posted January 17, 2015 Report Share Posted January 17, 2015 I would think it's in the cluster , if it was at the Trans the speedo shouldn't be working either. That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals. Link to comment Share on other sites More sharing options...
reedal Posted January 17, 2015 Author Report Share Posted January 17, 2015 My google search pulled those answers too, but the symptoms leading to those replacements were both speedo and odometer not working, not just one. SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
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