jcl666

i have an ka24e single cam 1990 240sx and have complete removed my fuse box and relay under the h ood , and i need help tp distinguiss the wires , i have kept the original ecu wiring haness , misuss all part non nesesery , the ONLY plugs i dont know what to do with , are the fluo and big black one that where the gas pump goes from .... i need help , i have found that the completely red wire is a direct 12v wires from batery , and the black/line white is the igniton from the ignition switch , other then that , there are like 20 other wires , i ned help finding out what are they used for its a manal trany i hav e, with ones are for the speepo? witch one for the oil pressure?

ANY help o canm get is welcome , but as you can guess i need ap rofessionel hep here lol... p.s im a technitien in electronics so i have studied in electronics and i have found none info nore any helpfull hints on the net , so im turning to you guys ! , take masures onp your cars? maybee you have tested this already this thing.. anything?

i have the wiring diagrams but they dont tell anything usefull ,

dkdeleon

G/Y =HICAS CONTROL
G= GAUGES, WARNING LAMPS
G/W = TURN SIGNAL
L =REAR DEFOGGER
L/W =REAR WIPER, WASHER
LG =WINDSHIELD WIPER,WASHER
OR/B =CIG LIGHTER
L/OR =HEAT AND AIR
2 L/R =BLOWER MOTER
THE L, B/Y, B/R, L/R CONNECT TO THE MAIN HARNESS
B/W = STARTING SYSTEM
B/R = IGNITION SYSTEM
Without seing the wires it is going to be hard to explain what and where they go, but I hope this helps a little.

dkdeleon

The oil pressure is Y/W

jcl666

ive just found what i was looking for , i have 2 240sx ... so i took the other one and started folowing all the wires i needed.. i ended up finding 2 wires... red lined black is an ignition wire needed! , and black lined white is a vital ignition wires uesed to tell the computer that the car should be in running mode , also the infamous black lined red , gas pump wire!!! need to be on 12v switched by the ignition switch , with al those wires to 12v and the red wire to 12v constant , the car start!!!!

black/white 12v ignition ,
black/red gas pump bypass to 12 v ignition
red 12v constant 10/20a ,
red/black , ignition 12v

all the oter ones goes to the trany and stuff... in other words , usless lol...