RobertZ34 Posted November 30, 2013 Report Share Posted November 30, 2013 Just about finished with my wiring harness for a 3.4 DOHC Fiero, but I have three leftover wiring connectors that I can't identify. They came from the 3.4 DOHC wiring harness, but did not go to the ECU, they either went to the bulkhead connection or the RS electrical center. Just need to know what they were for if possible. Thanks in advance! 2-pin, green and brown wires: 3-pin, only 2 pins used, one yellow w/black stripe, the other black w/ white stripe (Note this is not the DIS-CSP connector). Single pin, red wire, came out of the harness near the auto trans connectors and the O2 sensor wire: Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted November 30, 2013 Report Share Posted November 30, 2013 red one is fuel pump test lead Quote Link to comment Share on other sites More sharing options...
White93z34 Posted November 30, 2013 Report Share Posted November 30, 2013 Top one is the AC compressor plug, (MAYBE a 5 speed VSS plug??) middle one looks like it could be for the radiator level sensor Quote Link to comment Share on other sites More sharing options...
Imp558 Posted December 1, 2013 Report Share Posted December 1, 2013 A/c Clutch, Fuel pump prime/test, if the yellow wire has black tracer. it's coolant level, no tracer is consistent with a CTS. Quote Link to comment Share on other sites More sharing options...
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