victorjr24 Posted November 6, 2014 Share Posted November 6, 2014 I have a 1977 280 Z with a L28ET engine in it but my problem is I don't know what year wiring harness is attached to it ( or halfway attached to it). what are some identifier that I can look for to figure out what year harness is I have? I can post pics later today after work if anyone would like to see it Quote Link to comment Share on other sites More sharing options...
cgsheen Posted November 6, 2014 Share Posted November 6, 2014 Ya, pics... If it is a turbo harness, the only difference would be: the '81 harness has a 8-pin connector with a dropping resistor package (little aluminum "box") that sits just forward of the firewall near the master cylinder(s). The '82 & '83 turbo harnesses don't have that "feature"... What year is your ECU? Quote Link to comment Share on other sites More sharing options...
victorjr24 Posted November 6, 2014 Author Share Posted November 6, 2014 I just picked up a ECU from the junk yard and It was said to be a 82 - 83 280zx turbo ECU. But I'm not sure how to find out if it is or not. so if you have any info on how to make sure it's the right you see you please help me out also Quote Link to comment Share on other sites More sharing options...
victorjr24 Posted November 6, 2014 Author Share Posted November 6, 2014 Here are some pictures of my harness, the previous owner did some shity work to it but idk what he tried to do, and hopefully yall can help Quote Link to comment Share on other sites More sharing options...
cgsheen Posted November 6, 2014 Share Posted November 6, 2014 Yup, that's an '82-'83 harness and I'm pretty sure the ECU is also. Good Luck... Quote Link to comment Share on other sites More sharing options...
victorjr24 Posted November 6, 2014 Author Share Posted November 6, 2014 Thanks for the help, I was hoping that is was. Any idea what all the split wires could be for? I remember reading about the ignition connector having the 1 yellow wire going to the engine bay like the picture I posted Quote Link to comment Share on other sites More sharing options...
victorjr24 Posted November 7, 2014 Author Share Posted November 7, 2014 After doing more research about the 82 wiring I found out that my connectors have already been wired for the 82 swap.thanks for the help Quote Link to comment Share on other sites More sharing options...
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