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Where is the coolant temperature sending unit on a 1991 Chevy 4.3l?
Wiki User
∙ 6y ago
There is two coolant temp sensors. One for the temp gauge that has one wire to it located on the drivers side head between two of the three spark plugs. The second second temp sensor sends information to the ECM and has two wires to it and is located next to the thermostat housing.
Wiki User
∙ 6y ago
Anonymous
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