Speedwagon Posted October 21, 2012 Share Posted October 21, 2012 On my 98 Legacy, there is no apparent sensor/switch on the power steering pump. On my '91 JDM PS pump that I have sitting around(from the engine that I brought back), there is a 2 wire sensor/switch on the back of the pump. Any idea what this is? And if it is elsewhere on the 98? Will it effect anything if I were to switch to the 91 computer(for the turbo)? Quote Link to comment Share on other sites More sharing options...
porcupine73 Posted October 21, 2012 Share Posted October 21, 2012 I believe I have seen it in the manual, the switch being a pressure switch so it can bump up the idle if the pump output pressure is above a certain amount. Would it work unhooked, yes I believe so, I don't think it would stall the engine, and the enterprising driver could always double foot it if necessary. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted October 22, 2012 Share Posted October 22, 2012 I was replacing a pump on a 99 Legacy and when i received a used one in the mail it also had a pigtail/sensor that was apparently supposed to plug in somewhere. But my 99 Legacy EJ22 didn't have that...odd. Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted October 22, 2012 Share Posted October 22, 2012 Don't worry about it - you don't need it. GD Quote Link to comment Share on other sites More sharing options...
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