Hester_prynne Posted April 10, 2012 Share Posted April 10, 2012 I am creating this thread to help others looking for info on wiring a 1jza80 motor into a Z. I have been researching for a few weeks for this swap. When it comes to experience, the most I've done is put an after-market radio into a car. At first it was a little daunting but after getting help from "frankdms" on SupraForums, i began to understand. In the past two days I have been able to get the motor running. Feel free to critique what I've done and add your own info or ask questions. My vehicle: 1978 Datsun 280z My motor: 1jza80 w/ R154 To get the motor started and running, nothing else, you just need to worry about two plugs on the 1jz harness. IH1 3- (RED & BLACK) switched +12V **** EFI 9- (GREY) switched +12V ***** IGSW signal from ignition 10- (BLACK w/BLUE STRIPE) ***** Starter signal 14- (BLACK) switched +12V ***** Ignition coils and injectors EA2 1-(BLACK & YELLOW) constant +12V 2-(BLACK & ORANGE) switched ground 5-(BLACK & RED) switched +12V You need to use a 4 lead relay. Since I'm not keeping the A/C, I reused the 280z A/C relay: EA2#1 goes to 30 lead of the relay EA2#2 goes to 86 lead of the relay EA2#3 goes to 87 lead of the relay Lead 85 of the relay goes to a ground. That is all I have for now. I keep this thread updated as I go. Quote Link to comment Share on other sites More sharing options...
joa_taste Posted January 10, 2013 Share Posted January 10, 2013 Anymore updates? Do you need to extend wires and/or splice? Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.