coolant temperature... - Saab 900 Bulletin Board - Saabnet.com
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Just for confusion's sake, there's 4 coolant temperature "sensors".
One in the upper radiator hose with 2 wires; this is a switch that shuts off your AC if the coolant gets too hot.
One in the thermostat housing, facing towards the radiator, below the upper radiator hose. Small sensor with one wire. This is for the dashboard gauge.
One in the head/intake manifold, blue electrical plug with a clip, kind of like the AIC plug. It's located between the intake manifold runners to #2 & #3 cylinders. This is the one that the fuel injection ECU uses.
Last, a temperature switch in the LH tank of the radiator, 2 wires, just below the small hose to the reservoir. This one turns on the radiator fan(s).
posted by 131.184.14...
Posts in this Thread:
- '90 900S aic valve, Brian, Tue, 10 Sep 2002 08:53:08
- DIY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!, JonnyH, Tue, 10 Sep 2002 15:32:28
- Re: '90 900S aic valve, Brian, Tue, 10 Sep 2002 12:49:19
- Replace AIC yourself, JimBlake
, Tue, 10 Sep 2002 09:30:49 - Re: '90 900S aic valve, thereuare, Tue, 10 Sep 2002 09:29:44
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