Hi,
The speedometer function is based on different options on the vehicle. For example, if your vehicle has anti-lock brakes, the signal comes from the ABS module. If it has a CVT transmission, it comes from the transmission control module (TCM). If it doesn't have a CVT transmission or ABS, then it comes from the output speed sensor on the transmission. (see pic below)
So, I need to know which design you have.
Also, I need to know if you have scanned the can-bus. CAN stands for controller area network.
Here is a link showing how it's done:
https://www.2carpros.com/articles/can-scan-controller-area-network-easy
Let me know.
take care,
Joe
See pics below.
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Sunday, September 10th, 2023 AT 8:21 PM