JelmerPatrol Posted September 23, 2010 Share Posted September 23, 2010 (edited) Im in the progress of putting a 280ZX EFI on one of my Nissan Patrols. I got a Euro wiring loom and ECU but I don't have a wiring diagram so there a a couple of connectors that I can't identify. I made some pictures: These 4 small connectors are in the same harness part as the injector connectors but where do they hook up to? These 2 connectors have to go to the firewall or innerfender cause they are close to the firewall grommet. Relays?? The connector on the left is the power supply but the other are probably for the EFI relay and fuelpump reley but can anyone confirm this? BTW, the top one is a flat, 6 pin connector and the bottom one is a 4 pin connector. This one is probably a ground but Im not sure. And at least a picture of the ECU connector. These have less pins than a US spec. ZX. Anyone who can help me out? I checkt all wiring diagrams but they are all US spec. diagrams so the have alot more stuff on them like a altitude switch, o2 sensor, etc. Edited September 24, 2010 by JelmerPatrol Quote Link to comment Share on other sites More sharing options...
19762802+2 Posted September 23, 2010 Share Posted September 23, 2010 Well I can help you with the first picture, Those are for the thermotime switch and water temperature sensor. Their should be a little harness that connects to those bullit connectors and has the bosch style connectors on the other end. Quote Link to comment Share on other sites More sharing options...
lowrider Posted September 23, 2010 Share Posted September 23, 2010 Here's a thread I made some time back... http://forums.hybridz.org/index.php/topic/83421-im-scratching-my-head-with-this-zx-efi/ As 19752802+2 said those leads go to the thermotime and water temperature sensors. As far as the other connectors, read my thread and see if it may help since the different years of usdm 280zx's had a few different variations in the connectors. Sorry I could'nt be of more help! Quote Link to comment Share on other sites More sharing options...
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