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Thread: 72 Center Console Connections??

  1. #1
    Marooned Fish cygnusx1's Avatar
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    Default 72 Center Console Connections??

    OK I am working on my 72 and the electrics seem relatively un-molested. I pulled out the aftermarket radio and the center console. I removed a couple splices and wire twist jobs that were obviously "aftermarket". The rest looked very clean with a lot of unused spades, bullets, and connectors.

    Dillema:
    When I removed the center console, the three connectors were already unplugged.
    They were:
    1) Four Pin square layout (defrost/belts?) female
    2) Flat 2-pin 2wire (choke lever)
    3) Flat 2-pin 3-wire (belts/defrost?)

    For the life of me, I cannot find the mates for all of these in the fusebox area or anywhere behind the HVAC panel.

    There are plenty of receiving connectors for the flat 2-pins (#2 and #3), but I can't make a wire-color match-up.

    There is NO connector to receive the Four Pin connector (#1) from the console.

    Any clues? Pics? Where to look? Wire color hints? I am studying the wiring diagram but it does not seem to show minor connectors.

    The dash, console, and dash harness all seem to check out as authentic 72 units. My spare 73 dash with 73 harness has the Four Pin connector. I checked.


    PS which wire(s) goes to the trans for reverse?




    Console Connectors



    Choke connector:





    MY OPTIONS:???


    Last edited by cygnusx1; 02-09-2010 at 08:09 PM.
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    I can't tell you off the top of my head, but if you go to the XenonS30 link in my signature, you can download a copy of the FSM for the 72. Look in the BE section, and find the body harness page. It will identify the connections for you.
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    Marooned Fish cygnusx1's Avatar
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    I have the FSM from your site. I have been looking at the wiring diagram....I'll look in the BE section to see if I can ID connectors.
    Dave C, Putnam, NY
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    Marooned Fish cygnusx1's Avatar
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    I am a little relieved because I don't see the FOUR PIN SQUARE connector in this diagram either.

    But I am still miffed!!

    Where does the FOUR PIN connector, connect to?



    If it is for the seat belt light, would there be a connector down to a seat switch????
    Dave C, Putnam, NY
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    Isn't it obvious? That connector in your hand is just a figment of your imagination.

    Okay, since the FSM doesn't want to cooperate, post the colors of the wires at the connectors. We may be able to deduce functionality from that. Also, how far back can you trace the wires going to the 4-wire plug? What other plugs come off of the bundle that has the 4-wire plug? That may give us some clues.
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    Marooned Fish cygnusx1's Avatar
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    I will document all the colors and trace them back when I get a chance. Maybe tonight after shoveling the snow.
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    Well, from looking at BE-4, if the 4-wire plug has 2 white wires, a white wire with black stripe, and a white wire with blue stripe, I would say is would be a plug for stock radio speakers. Otherwise, I don't see anything that jumps out at me that would be plugged in at that point.
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    Marooned Fish cygnusx1's Avatar
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    The four pin plug I am holding is attached, to the center console. It feeds one of the functions of the console (seat belt, defrost, or choke light). What I cannot find is the male pair of the plug under the dash. I will call out the wire colors in a few...

    Do wire colors usually carry through the connectors?
    Last edited by cygnusx1; 02-10-2010 at 11:10 AM.
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    Quote Originally Posted by cygnusx1 View Post
    The four pin plug I am holding is attached, to the center console. It feeds one of the functions of the console (seat belt, defrost, or choke light). What I cannot find is the male pair of the plug under the dash. I will call out the wire colors in a few...

    Do wire colors usually carry through the connectors?
    Sometimes wire colors carry through. Sometimes they don't. That's part of the fun of working with electrical systems.

    Now that I finally understand that the wires were attached directly to the center console, I can look on my 73, since I believe it's the same part for both years (hopefully wired the same).
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    Marooned Fish cygnusx1's Avatar
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    I am almost positive that something is amiss. A-missing that is. I have all the wires exposed under the HVAC controls and there is no trace of a connector to match. Maybe a sub-harness or something??
    Dave C, Putnam, NY
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    Quote Originally Posted by cygnusx1 View Post
    I am almost positive that something is amiss. A-missing that is. I have all the wires exposed under the HVAC controls and there is no trace of a connector to match. Maybe a sub-harness or something??
    Okay, it is definitely for your choke light and seat belt light. On my 73, the bundle with that 4-wire plug goes off to the right, under the heater panel. Sorry, I just didn't want to spend more time in the cold garage to try to trace it out more than that.
    Here's a picture of it in my car.
    Steve
    Last edited by SteveJ; 02-27-2011 at 12:10 PM.
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    Well you have already been a huge help. That is the connector I am looking for! Unfortunately it's not in any of my harnesses under my dash...so I think.

    The wires on the console side of my connector are red, red-blue, black, green.

    The search continues tomorrow.
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    NEW QUESTION:

    Is there supposed to be a "sub-harness" for the seat switches and seat belt switches?

    Where is it supposed to connect on the dash or body harness?


    There is no mention of such a sub harness in the manuals. There is wiring shown for it in the wiring diagrams though.
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    Quote Originally Posted by cygnusx1 View Post
    NEW QUESTION:

    Is there supposed to be a "sub-harness" for the seat switches and seat belt switches?

    Where is it supposed to connect on the dash or body harness?


    There is no mention of such a sub harness in the manuals. There is wiring shown for it in the wiring diagrams though.
    It's as clear as mud in the manual. I agree with you there. If you look at the attached picture, I put a red line on what I think the most likely bundle for the missing wires/plug. I based my assumption on the fact that the plug for the lights is right by the plug for the defroster switch. I found the defroster switch plug detail on the drawing and traced it up. With any luck, that might help you in your quest.
    I'll also look tonight for where the seatbelt wiring runs in my 73. It probably was removed by a previous owner.
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    Yes I think I figured out where the Defroster (3-wire) and the choke lever (2-wire) connectors from the console go (shown in the manual vaguely). Now the 4-wire is a different story. Since it is NOT in my car and it's NOT in any manuals (70-74), I am guessing that it might be for the seat belt circuit. Which is also not shown in any manual. The wiring IS however drawn into the large diagram. My car contains no wiring to the seat belts or seat switches, so by rule of elimination...

    I am tempted to connect the battery and start tracing and testing things. But first I need to install the engine bay harness.
    Last edited by cygnusx1; 02-11-2010 at 11:57 AM.
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    Dave - I have those same open connectors on my '72 and Pete Sanders is just in the process of putting his wiring all in place in his '72 and he called me about these very same plugs. Not to worry.

    If you'd put in an LS1 and a Painless wiring assembly you would be you driving your Z right now....
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    Could it be that your '72 did not have the "Fasten seatbelts" warning light and that pannel was replaced later with a later one?, looking at the harness from my 11/72 I do not see any square 4 plug... Do you have retractible seatbelts or the non retractable ones?
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    Quote Originally Posted by Pleiner87 View Post
    Could it be that your '72 did not have the "Fasten seatbelts" warning light and that pannel was replaced later with a later one?, looking at the harness from my 11/72 I do not see any square 4 plug... Do you have retractible seatbelts or the non retractable ones?

    Bingo. Exactly what I was thinking. When I bought the car, there was no passenger belt and there was a drivers side lap belt.

    I think I can find the correct defroster wires under the dash and "make" them work. Same will have to go for the choke light, which will be choking the triple Webers. I will "make" it work. I am not the type to just shut my eyes at unknowns; which is why I am here.

    I look at this research as an opportunity to get more intimate with my new car.

    I used my pocket camera tonight and shot about a bazillion photos up under the dash and everything looks factory. No strange wiring gremlins under there.

    Here are my leftover connectors from the radio area.



    Four unknown bullet connectors near the column.
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    Quote Originally Posted by gnosez View Post
    Dave - I have those same open connectors on my '72 and Pete Sanders is just in the process of putting his wiring all in place in his '72 and he called me about these very same plugs. Not to worry.

    If you'd put in an LS1 and a Painless wiring assembly you would be you driving your Z right now....
    With an inch of sheet ice over my driveway, and more salt on my road than the Dead Sea...I doubt it!
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    some of the plugs in the console area are for corner marker lights ("rear fogs")and fog/Driving lights for the front (red+green or black wires), pre-wired for the other markets Z's were sold. How are your turn signals working?, I don't see the film canister sized factory flasher unit on your column. also do you have a key in reminder buzz, its also on the column near the flasher unit. The two sets on plugs near the coulmn may be for those... Todd
    -Forza 3 BRE 240Z -Also have other Z designs, Xbox Live Gamertag: Pleiner87
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    Correct, the light circuit has not been completed yet. The hazard switch, brake switch and flashers all tie into one another. Dave I would buy one of the color diagrams from Ebay to help with the wiring and colors used.
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    I have not yet run the car. It has no engine or engine bay harness yet. The steering column was out of the car so they may have removed the flasher. I will look for it or get a new one. Good call, I hope those are the wires for the flasher unit. The hazard switch and the brake switch and all the relays and other doo-dads are all connected with "factory" connectors. It looks like everything is already connected. Except for what I showed above...which I can't ID yet. Maybe they are just meant to dangle. Don't forget, there is no radio connected. Some of those dangles may be radio related, and ORIGINAL console related. Since I don't know what the ORIGINAL console was wired like, or what functions were in the ORIGINAL console, I can't tell. I bet the PO removed the key buzzer.

    Here is a good shot of the pedal area.




    Here is where the engine harness will connect.

    Last edited by cygnusx1; 02-12-2010 at 08:28 AM.
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    I just had a revelation! This car was born as an automatic. It has an automatic harness in it. That explains a lot.
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