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Unknown Connector in Engine Bay
Posted: Mon May 06, 2024 7:48 pm
by Petrol Spit
So I have been slowly doing a rebuild of my 89' NA. I have come across many oddities during my adventure, including but not limited to, a loose piece of 2x4 propping up my stereo, the 02 sensor wire trapped between the transmission and engine block (severed for who knows how long) and this unknown white connector in the engine bay with a bridging wire. I have consulted wiring diagrams to no avail, as I suspect most I have viewed are North American etc. and not much help.
It is located in the back of the engine bay on the port side (near the wiper motor and relays). I'd upload a picture but it doesn't seem to be allowing me to upload onto the forum atm. The car has no P/S, A/C, cruise control etc. Only has the worlds slowest power windows, winning. It shares a common branch out of the harness with another unused, white four wire connector.
Without having gone so far as pinning out on the connector at the ECU and determining if the wire comes from there etc. I haven't been able to work out what the 4 wire connector is for and why there is a wire bridged across two terminals. Has anyone got any ideas? The colours of the wires coming out of the connector are White/Blue, Red/White, Black/Yellow and Solid White. (Main Colour/Stripe). The White/Blue and Red/White are bridged.
Thanks in advance.
Re: Unknown Connector in Engine Bay
Posted: Mon May 06, 2024 11:05 pm
by greenMachine
A photo might help ...

Re: Unknown Connector in Engine Bay
Posted: Tue May 07, 2024 5:35 am
by Petrol Spit
greenMachine wrote:A photo might help ...

I'm getting an error saying "board attachment quota reached". I can't actually share an image? Size is only about 600kb?
Re: Unknown Connector in Engine Bay
Posted: Tue May 07, 2024 11:50 am
by 93_Clubman
Petrol Spit wrote:this unknown white connector in the engine bay with a bridging wire.
It is located in the back of the engine bay on the port side (near the wiper motor and relays).
The car has no P/S, A/C, cruise control etc.
It shares a common branch out of the harness with another unused, white four wire connector.
I haven't been able to work out what the 4 wire connector is for and why there is a wire bridged across two terminals.
The colours of the wires coming out of the connector are White/Blue, Red/White, Black/Yellow and Solid White. (Main Colour/Stripe). The White/Blue and Red/White are bridged.
Out of curiosity is it an ADM or JDM 1989 NA6? 1989 ADM VIN starts with JM0NA30610010xxxx & JDM VIN starts with 6U9000NA6CE10xxxx.
My 1993 NA8 (no AC or PS) has the same white connector. Coming out of the main loom (which runs under the black plastic relay cover) is a thin branch (near the large grey rubber grommet in the firewall that the main loom goes through), which splits into two, one 4 wire sub-branch going to the white connector, & the other 2 wire sub-branch going to the washer bottle motor. NFI on the purpose of the white connector, other than bridging.
Re: Unknown Connector in Engine Bay
Posted: Tue May 07, 2024 12:15 pm
by Petrol Spit
Mine's an ADM. Pictures still not working sorry.
Re: Unknown Connector in Engine Bay
Posted: Tue May 07, 2024 2:18 pm
by bruce
A white connector on the LHS. I think it might be for fog lights.
Re: Unknown Connector in Engine Bay
Posted: Wed May 08, 2024 10:49 am
by 93_Clubman
While OP has referred to it as a white connector, as have I, strictly speaking on mine at least it's not actually a connector as the end appears blanked off. That said, perhaps it could easily be adapted to take fog lights - it's pside (on a RHD) virtually under the wiper motor just in front of the firewall.
Re: Unknown Connector in Engine Bay
Posted: Thu May 09, 2024 6:41 pm
by Craig
Petrol Spit wrote:I'm getting an error saying "board attachment quota reached". I can't actually share an image? Size is only about 600kb?
There's a limit on the total of uploaded images, you're at that limt, so need to delete a few from previous posts ok.
Re: Unknown Connector in Engine Bay
Posted: Thu May 09, 2024 6:48 pm
by Craig
Craig wrote:There's a limit on the total of uploaded images, you're at that limt, so need to delete a few from previous posts ok.
Click on your user name (top right next to Private Messages) and select "User Control Panel" the "Manage Attachments" then select what you are ok to delete and the delete them.

Re: Unknown Connector in Engine Bay
Posted: Thu May 09, 2024 7:35 pm
by Petrol Spit
Thanks for the help, but I just checked my attachments as you described and there was only one picture. Which I deleted and so have no attachments on my profile, but still recieved the same error when I tried to post the picture. I can't win lol
Re: Unknown Connector in Engine Bay
Posted: Fri May 10, 2024 10:28 am
by ManiacLachy
Attachments don't work, the forum can't afford the storage. You need to upload it to a picture host (I use Imgur), then link it in using the IMG tags (see the IMG button in the tool bar above the text box)
Example, I upload my photo to Imgur, the link is
https://imgur.com/5vhVCBR.jpgI press the "Img" button in here, and the Img tags appears in the text box: (img)(/img)
*note I'm using "( )" brackets instead of "[ ]" so you can see them
Then I copy my link between the two tags: (img)https://imgur.com/5vhVCBR.jpg(/img)
And everyone sees:

Re: Unknown Connector in Engine Bay
Posted: Sat May 11, 2024 10:53 am
by Petrol Spit
Thanks so much for that. it was pain to get the links working from Imgur, but got there in the end.
So Exhibit A, B and C:



And yes, car's a mess. But it's just a work in progress, I promise.
Re: Unknown Connector in Engine Bay
Posted: Sat May 11, 2024 12:51 pm
by Okibi
Can you also try upload as an attachment this time and i'll see if it is fixed.
Re: Unknown Connector in Engine Bay
Posted: Sat May 11, 2024 12:58 pm
by Petrol Spit
Okibi wrote:Can you also try upload as an attachment this time and i'll see if it is fixed.
Just tested with the preview function and that is now working. From here on should I stick to using Imgur or are attachments okay?
Re: Unknown Connector in Engine Bay
Posted: Sat May 11, 2024 1:41 pm
by 93_Clubman
Petrol Spit wrote:So Exhibit A, B and C
My NA8 doesn't have those two connectors - maybe as Bruce suggested, but they don't look OEM.