alex Posted October 29, 2007 Report Share Posted October 29, 2007 I just bought a 1989 Turbo Grand Prix, I was wondering where the coolant temperature sensor is located? thanks Quote Link to comment Share on other sites More sharing options...
ManicMechanic Posted October 29, 2007 Report Share Posted October 29, 2007 Should be on the rear head...Green wire. Quote Link to comment Share on other sites More sharing options...
alex Posted October 30, 2007 Author Report Share Posted October 30, 2007 Wow, i can't even see it, I guess its hard to get at to change? Quote Link to comment Share on other sites More sharing options...
SleeperRed90TGp Posted October 30, 2007 Report Share Posted October 30, 2007 Congrats on the TGP Temp sensor for the gauge. Rear head just below the valve cover on drivers side one wire. Temp sensor for ECM, under TB in V of LIM towards front. three wires. Jud Quote Link to comment Share on other sites More sharing options...
alex Posted October 30, 2007 Author Report Share Posted October 30, 2007 Temp sensor for ECM, under TB in V of LIM towards front. three wires. Jud Hey Jud, thanks, it is the temp sensor for the ECM I am looking for (I should have been more specific), is TB the turbo? and sorry not sure what LIM is? Thought I might change it, I have changed almost all of the other sensors..thanks Quote Link to comment Share on other sites More sharing options...
ManicMechanic Posted October 30, 2007 Report Share Posted October 30, 2007 Ahh.. TB = Throttle Body LIM = Lower Intake Manifold Quote Link to comment Share on other sites More sharing options...
alex Posted October 30, 2007 Author Report Share Posted October 30, 2007 I think I found it but is it possible it has 2 wires to it a green and a black with red stripe? Its actually quite accessable. Quote Link to comment Share on other sites More sharing options...
SleeperRed90TGp Posted October 30, 2007 Report Share Posted October 30, 2007 Yea could be two wires. It's only been a few year since I've seen mine. Why are you going to change it? If the fans work properly it's ok. Jud Quote Link to comment Share on other sites More sharing options...
alex Posted October 30, 2007 Author Report Share Posted October 30, 2007 I am trying to restore the vehicle as much as possible, I have changed most of the sensors (MAP, TPS, O2, EGR valve and the ECM which was bad, I havn't priced it yet but I will today. Quote Link to comment Share on other sites More sharing options...
Dark Ride Posted October 30, 2007 Report Share Posted October 30, 2007 I think I found it but is it possible it has 2 wires to it a green and a black with red stripe? Its actually quite accessable. yup it has two wires, pretty easy to change Quote Link to comment Share on other sites More sharing options...
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