Hey guys im reinstalling my motor and i re-loomed my engine harness and im having trouble trying to figure out where some of the plugs go to. My car is an 89 GXL NA here are some pictures of the plugs i am having trouble with.



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pic 1:coil..that is tach signal on the leading coil(NOT used)
pic 3 looks like oil sender and cooolant temp sender
pic#4 the ring is a ground wire,
pic #5 no idea
pic#6: the green connector is not used.Not connected to anything.
Pic#7 it is a coolant sensor connector for either A/C or aux fan.(behind water pump)

 

Thanks So much!!!!!!!
Pic #2 the yellow wire is pluged in but i cant figure out how the oil pressure sender plugs in unless it broke
Pic #4 the ring is grounded now i was wondering about the two prong plug
Pic #5 The grey plug is fuel injector the white is BAC the yellow im unsure of?
Pic #7 The car had ac so this makes sence

 

i dont think you need the yellow one. the two prong plug i think goes to the IAT. look around intake coming out of your throttle body for two metal tabs coming out that you can slide that onto. and for pic 7 that plugs into the aux fan thing as mentioned above. look under the alt. water pump area.

 

That yellow wire on the coolant temp goes to the oil pressure sender. the coolant temp is usually round.






^this i am not sure maybe knock?(unused)can't see it.
V this is the intake air temp sensor. it's on your manifold, bolt down the metal eye ring in the back ground to the top of the rotor housing, it's a 12mm head bolt and short.



V this one is un-used.


V this one is un-used.



V already stated, coolant fan thermo switch.



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the oil presure sending unit doesnt seem to have anything to plug into does anyone have a picture of theres?

 

The correct plug has an open end on one of the ends and one of the long sides of the plug has a slit in it. The oil sending unit has a part that looks like the flat end of a nail. It is this part of the sending unit where the plug slides onto this nail end.