There are 4 sensors on the thermostat housing (87 eta) and im not sure which one is what. The first one closest to the front of the car has a brown 2 prong plug. Just behind there is a two prong sensor that has two wires attached to it. Next is another brown plug with only one prong, and the one furthest back is a tan plug with two prongs. I suppose the hanyes assumes I can read their minds as to which is which. any help?
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Old and improved:
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The brown 2 prong plug is the thermo-time swtich, it runs the cold start vavle.
The 2 exposed in one is a temperature swtich for the motronic.
The single wire one is the sender for the temp gauge in the cluster.
The last one is the main temp sensor for the motronic.
I'm pretty sure thats the right order.Adam Fogg- '88 M3
Common sense- It's the new 'gifted'
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