Quote:
Originally Posted by Ecky
It likely wouldn't be hard to make it active all the time.
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Good point. It doesn’t bother me that it only works with the engine on, I’m just curious why it works that way. Also, I’m not sure how I would change the way the system is designed. I guess one option may be to install some type of circuit or device that simulates an RPM signal whenever the key is on, if such a thing even exists. However, one potential problem with that may be that depending on what the module uses the RPM signal for, a fake/incorrect signal might mess with the way the module functions and cause problems. This may or may not have an adverse effect depending on what the EPS module uses the RPM signal for.
However, an easy and safe option if someone wants to retain steering assist once the key is shut off would be to connect the switched power for the EPS module to something powered by the ignition switch’s “ACC” wire like the cigarette lighter power rather than the “RUN” wire. That way the EPS system would remain active once the key is turned to the “ACC” position until the key is shut off completely.