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i was changing the oil on my 1990 [font=verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif][font=verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif]ranger[/font][/font] 2.3 5spd to day. when i pulled my oil filter wrench off of the filter to take it out from the bottom a single wire with a connector fell down. the wire is red with a white mabye oragne stripe. the covering that it Ts off of continues on and conects to the back of the transmission with 2 wires. all my gauges work and the truck starts and has no error lights (however i didnt drive it long enough to see if the temp gauge worked) i felt all over the block and and looked all around the drivers side of the engine but coulndnt find a missing conection. is this just a extra wire? or somthing else?

 

Red wire with a white stripe is usually the water temperature sending unit wire.

White wire with a red stripe is usually the oil pressure sending unit wire.