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Old 08-30-2006, 10:50 AM   #10
Scooby Newbie
Member#: 73190
Join Date: Oct 2004
Location: South Africa
2005 Impreza WRX STi


What happens to current between pins 3/4 when the WI injection boost is reached. i.e if boost is reached , does the PSI3 energise(close) the pin 3/4 circuit(current flows)? ATM the volt meter is not showing any current even at/passed boost point.
basically the 2 systems are the reverse of each other. aquamist hop-switch circuit is NC (normally closed) and the PSI3 unit works NO (normally open), therefore you should get voltage once you've crossed the boost threshold on the PSI3 unit.

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