512tr Posted April 27 Share Posted April 27 Is anyone familiar with the variable assist steering pump found on 96 ZJ’s? Link to comment Share on other sites More sharing options...
pizzaman09 Posted April 27 Share Posted April 27 No but it looks intriguing. Judging by the connector size it might be just a two pin connection. Link to comment Share on other sites More sharing options...
89 MJ Posted April 27 Share Posted April 27 I don't know anything about variable power steering, other than it is fun to drive something with variable power steering. It should make slow speed turning easier and the steering less sensitive at high speeds. Link to comment Share on other sites More sharing options...
512tr Posted April 29 Author Share Posted April 29 I think this SPS (Speed Proportional Steering) is a rare thing on older Jeeps, as far as I have found out it was only on 1996 ZJ. Probably not the best system /too expensive, since they didn’t continue using it in the coming years. As far as I have figured out the system consists of a solenoid valve on the pump (regulating the pump flow), a standalone control module, a steering wheel sensor and input from the vehicle speed sensor. The reason I’m curious is that I have a part-out ZJ with this steering pump, and it bolts straight on to the +99 intake without any modifications. I think it works as an ordinary pump if the electrical system is not connected/fails (full power assists all the time). Time will tell if I will us it and get it to work. 😊 Link to comment Share on other sites More sharing options...
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