1994 GMC truck unknown plug
#1
08-17-2010, 05:15 PM
1994 GMC truck unknown plug
I have a 1994 GMC Sierra with the 5.7 (350) engine that I bought three months ago. On the passenger side of the engine is a plug with two wires, one wire is brown the other is blue. I can't find a place to plug this wire in. It is near the EGR valve but the EGR valve does not have an electrical connection. The EGR solenoid has a connection plugged in. The truck has an automatic transmission and AC.
Does anyone know what the purpose of this plug is?
Does anyone know what the purpose of this plug is?
#2
08-18-2010, 05:46 PM
General Truck/Classifieds Forum Moderator
Join Date: Jan 2009
Location: Columbia, Mo
Posts: 983
looks like it could be for the oil pressure switch, or it could just be an extra for an optional part
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