Taylor_Durdan wrote:using the S14 SR relays is completely useless as the S13 chassis has those relays already. this can cause some confusion if not done properly.
Yup they are not needed but I decided to keep them so there was less to modify on the harness. To each their own and I am not really sure how much confusion leaving them there can cause.
92vert240:In my write up I used only the Blk/Red (Ign Switched 12v)and Red (12v Constant) on the S13 grey plug to power the S14 harness, these are connected to the S14 interior plug and in turn lead to the Blue Relays on the S14 harness. The red wire powers the S14 ECU relay which in turn triggers the coil pack relay which is powered by Blk/Red wire... this is the way it was form Nissan.
The only other "power" providing wires is the Brown wire on the S13 brown plug to the Brown wires at pins 21 & 48 on the S14 interior plug, this is the wire that provides all the injectors/sensors on the motor with 12v switched power. As well as the Blk/pink on the S13 brown plug to the pin 30 Black/Yellow wire on the S14 interior plug, this is the fuel pump trigger.
So basically as long as those get 12v at the right times then the harness is fully powered as long as you have it grounded.
I just took a pic of my S14 SR interior plug and there are a few wire colors on it which were duplicated from Nissan so there is a chance that you may have connected to the wrong wire by accident. There are 2 black/yellow wires that are for the most part right next to each other. Also 2 black/red wires next to each other. So please go back and double check which wires you spliced into.
I will provide pics for you in a few mins when I get them all worked out.