i bought a afc without any instructions i got the instructions from apexi website but they dont tell me what the wires are used ,all it says is how to tune it and where the wires connect but i dont know the name of the wires .i know red goes to b+ and brown and black are the ground .what others wires do i have to connect

 

You have an SC400? This is for an obd2 2jz ,But it should help you ... http://www.clubna-t.com/forums/showt...highlight=safc
Also i believe CL moderator VSSC400 has a thread on installing it in an SC400.

 

enjoy
https://www.clublexus.com/forums/sc-1st-gen-1992-2000/79804-s-afc-install-and-pics.html

 

yea i saw those .but my sc400 has a 1j so that is no help ,btw i got it installed thanks for the help guys