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Sharing Expansion 5V+ supply.


Hurtenstein

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Are all of the +5V supplies on the expansion slots common to the main header output also? (B136-12) on WRX5-6 in this case?

Example is the E-throttle. The expansion slot gives 3x ANvolts, implying that 2 are for the APP and the third is the second TPS, in addition to the existing TPS. The existing TPS gets its +5V from main header B136-12, can I use this same supply for the new TPS, even though the ANVolt signal will be going back to the E-throt expansion. Or I do a take a +5V from that expansion slot out to the new TPS also?

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2 minutes ago, Hurtenstein said:

Are all of the +5V supplies on the expansion slots common to the main header output also? (B136-12) on WRX5-6 in this case?

 

yes the ECU has a single 5V regulator and this is connected to all of the 5V pins

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