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View Full Version : SR20DET wiring harness plugs

patrickm1587
12-14-2008, 05:14 PM
My name is Patrick. I'm doing a SR20 Redtop swap into a '72 Datsun 510. I've tried to get help on the usually 510 forum I get on, but nobody really wants to help me out. I got my engine from www.nagasakijdmmotors.com (http://www.nagasakijdmmotors.com) and they sent a brand new wiring harness with it. I've figured out where all the plugs go as far as the throttle body, CAS, injectors, etc. But you all may know that the wiring harness splits off and one side goes to the injectors and all that, and one side goes to the ignitor, MAF, etc. Well the etc. part on that is what I can't figure out. I've got some pictures of the plugs I don't know about. If anyone could help me out, it would be greatly appreciated, just tell me if I need to do away with the plugs or what. I'm not going to be using power steering, or air conditioning either.

This picture just shows where the wiring harness splits off. Number 1 side is the injectors, etc, the number 2 side is where I'm needing help.
http://i194.photobucket.com/albums/z101/spoolinitup33/100_2033.jpg

Here's the ignitor and two vacuum things. Can I just do away with the vacuum parts?
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring1.jpg

I think one of these is the MAF
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring2.jpg

This one comes off above numbers 3, 4, & 5
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring3.jpg

Two I have no idea about
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring4.jpg

Another I have no idea about
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring5.jpg

And here's the three on the end
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring6.jpg

Just a shot of the pins in #11
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring7.jpg

And a closer shot of 10 & 12
http://i194.photobucket.com/albums/z101/spoolinitup33/wiring8.jpg
TTrx7Pete
12-16-2008, 06:19 PM
1. Looks to be your wastegate actuator solenoid.
2. Boost sensor pretty sure
3. Looks to be CAS
4. Maybe the MAF plug
10 or 12 plugs into your injector harness I think.
11. Looks to be your harness to your coilpacks.

Hard to tell from the pictures as a whole, but I think that is about right. Most of those spade style connectors you have there usually won't be reused.
lok
12-16-2008, 06:31 PM
1 and 2 you do not need.

3 is maf

4 is power steering

5 is a/c

6 cant remember think consult

7 and 8 are consult check wires i.e rpm signal

9 consult also

10 11 12 are your battery tray wires. Check any srswap guide for the pinouts.
Om1kron
12-16-2008, 07:00 PM
sigh... here i'll make it easy

http://img.photobucket.com/albums/v46/om1kron/My%20Cars/1996%20240sx%20Kouki/2008-11-29%20-%20Harness/UNCUT-sr20de_L.jpg
projectRDM
12-16-2008, 10:31 PM
Number 6 is ABS skid sensor, there is no CONSULT plug on the engine harness.
weissguy
12-16-2008, 11:13 PM
are you sure that 4 is power steering and that 5 is a/c? I thought those were a part of the chassis harness.
projectRDM
12-17-2008, 08:50 AM
are you sure that 4 is power steering and that 5 is a/c? I thought those were a part of the chassis harness.

There's a pressure switch on the power steering line, the plug is found on the engine harness to idle up the car at full lock. The A/C compressor wire is also in the engine harness since the ECU triggers it.
lok
12-17-2008, 01:17 PM
Number 6 is ABS skid sensor, there is no CONSULT plug on the engine harness.

not consult but diagnostic signals.

i forgot about the abs stuff.

i stripped out this stuff so long ago its hard to remember.
Folken
01-26-2009, 06:58 PM
if your not hooking the consult up then you can remove 7/8 correct? and I can remove the wastegate valve control solenoid since I have the wastegate T'd into the fpr hose right? I'm redoing my harness and don't wanna start another thread so i'm jacking this one
projectRDM
01-26-2009, 07:22 PM
if your not hooking the consult up then you can remove 7/8 correct? and I can remove the wastegate valve control solenoid since I have the wastegate T'd into the fpr hose right? I'm redoing my harness and don't wanna start another thread so i'm jacking this one

7/8 are NOT for CONSULT, they're just check connectors. You can cut the plug off and tape it back.
Folken
01-26-2009, 07:34 PM
thank you sir, anything on the WVCS?