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Speedometer cuts out/in intermittently - Printable Version

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Speedometer cuts out/in intermittently - Wesplace1 - 01-02-2024

05 Pete 387 - Cummins isx- zf freedom line auto trans. I have replaced the speed sensor but speedometer/odometer still cuts out. And when the speedometer isn’t working it affects the operation of the auto transmission. After replacing the sensor without results I was going to replace the transmission wiring harness but the harness is not available. Any suggestions will be greatly appreciated


RE: Speedometer cuts out/in intermittently - Andre_The_Giant - 01-02-2024

Remove, inspect and repair the harness you have. Their are alot of tools available theses days to take apart/ fix/make your own harness if necessary. Remove the loom and carefully feel/ flex small sections at a time. an internal brake will poke thru insulation while doing this


RE: Speedometer cuts out/in intermittently - PolishHammer - 01-03-2024

I think there are 2 sensors that read speed on that trans both at the end by the output I think you can switch the wiring from one to the other try that let us know.