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Re: How to supply 5V to GTS
Yes, the 12v connection is the only thing required to get 5v on DIO pins. The RSL uses 12v and should not affect the 5v power pathways at all. My suggestion is to disconnect everything other then the 12v power input (eg the 37 pin cable, RSL, all PWM and DIO cables, etc) and verify that all three power LEDs are brightly lit and that you have 5v on the DIO middle pin. If the 5v light is not lit, then the 5v regulator is damaged. If power is good with everything disconnected, connect things one at a time to determine what is causing the problem (likely a short).
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