Hopefully this is easy to understand what I am trying to do. Display would be an LED (9-12V) output from the Arduino to each gear on a floor mount shifter. I am wondering what would be the best way to go about this? The Arduino would be powered on by ignition. ![]() Below is how the range switch signals it: Park - A=low, B=open, C=open, P=low There are 4 signal wires - Signal A,B,C, and P. Basically it's a combination of 4 wires that are grounded (low) in a specific order, the computer reads it, and displays what gear the transmission is in. Below is how it currently tells the computer/cluster what gear it's in. I would like to setup the Arduino Uno to be used as a gear indicator for GM transmissions (specifically right now the GM 4l60e). Would not mind getting a jump on things before it's here. ![]() I ordered an Arduino Uno anyways for the sole purpose to understand this. ![]() ![]() This might be a super easy question to answer.
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