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wire harness 700

posted by  kayakcreek12 on  Thu Jul 10 20:01 CST 2014
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last visit: Fri Sep 5 14:02 CST 2014
[RELATED]

I was cleaning up the wire harness connections. I also sprayed throttle body cleaner in the intake. Car started blew black smoke and died. I noticed wire's coming out of the harness. I tried to put them up in the harness until it all fell out. I ran my battery below 10 amps. I pulled the coil wire off and placed it on the strut where it connects to the body and no spark. Please help me!









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    wire harness 700

    posted by  Giggabitten on  Thu Jul 10 22:18 CST 2014
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    last visit: Wed Oct 1 14:36 CST 2014
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    Hi Kayakcreek. Fear not, this is quite fixable. First things first - repair that connector. (That disconnected black wire grounds your fuel ECU!) There is very good information to be found in the FAQS :

    https://www.brickboard.com/FAQ/700-900/ElectricalCircuitsRelays.htm#RemovingEngineWiringConnectors

    If you look carefully at each grey connector half, you will see that they come apart so that wires can be freed. Follow the directions in the FAQS for replacing the degraded rubber terminal end covers, hook everything back together (making sure to match wire colors on both halves!) and your spark will most probably magically reappear.

    Some have chosen to omit the connector and splice each wire together via their preferred splicing method. Should you decide to go this route it would behoove you to have a firm grasp of joining wires - be it crimping, soldering, both, etc. Make sure to insulate each wire very well with one or two pieces of heat shrink tubing and then cover the whole mess with either a good quality electrical tape (ie 3M super 88) and some harness sheathing.







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      wire harness 700

      posted by  kayakcreek12 on  Fri Jul 11 12:57 CST 2014
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      last visit: Fri Sep 5 14:02 CST 2014
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      I cut the wire harness off and started with 6 wire's. Now I have an extra black wire it seems. Crap.









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        wire harness 700

        posted by  kayakcreek12 on  Fri Jul 11 13:40 CST 2014
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        last visit: Fri Sep 5 14:02 CST 2014
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        I started with 6 wire's now I have 7. It won't start. It's my anniversary this weekend and I need the car.For wwork also. Please help me!









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          wire harness 700

          posted by  kayakcreek12 on  Fri Jul 11 14:28 CST 2014
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          last visit: Fri Sep 5 14:02 CST 2014
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          I'm not able to get car going again. Please help me!









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            wire harness 700

            posted by  Amarin on  Fri Jul 11 18:03 CST 2014
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            last visit: Thu Oct 23 22:42 CST 2014
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            Hello,

            From the photo there are 8 wiring slots in the connector. I can see that it only uses 6. There is one extra wire not connected from the other loom (i.e one loom has 6, the other has 7 but one not connected).

            Connect like color wires from one loom to like color from the other loom. Wire thickness matters also. There may be 2 like colored wires but with different thickness. Connect with same thickness on the other side.

            Hope this helps,
            Amarin.








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              wire harness 700

              posted by  someone claiming to be kayakcreek12 on  Fri Jul 11 18:23 CST 2014 [RELATED]

              thank you.








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            wire harness 700

            posted by  aleekat on  Fri Jul 11 15:06 CST 2014
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            last visit: Fri Oct 24 13:19 CST 2014
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            I would use a voltmeter and check for continuity to the frame of the 3 black wires. If they all show ground to frame, then wiring them together won't hurt.
            --
            Post Back. That's whats makes this forum work.








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              wire harness 700

              posted by  someone claiming to be kayakcreek12 on  Fri Jul 11 18:21 CST 2014 [RELATED]

              Thank you aleekat. I just got back from getting one. I will let you know if i get it going.








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      wire harness 700

      posted by  Amarin on  Thu Jul 10 22:27 CST 2014
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      last visit: Thu Oct 23 22:42 CST 2014
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      Hello,

      Spent one day in soldering those wires in my 940. Heat shrinking them. Already 4 years now. Car is 20 years old. So that in case of any electrical problem I don't have to look at them.

      Regards,
      Amarin.








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        wire harness 700

        posted by  Giggabitten on  Thu Jul 10 23:20 CST 2014
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        last visit: Wed Oct 1 14:36 CST 2014
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        Hi amarin. Just for the record, me too. Going on four years now myself. I have changed so many ground points, wiring routing, etc. that I truly pity the poor guy that might ever have to chase an electrical problem should I get struck by lightening by the Volvo gods for my sacreleiogus acts before my time.








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          wire harness 700

          uid 46171's pic
          posted by  kittysgreyvolvo on  Fri Jul 11 14:04 CST 2014
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          last visit: Sat Oct 18 15:23 CST 2014
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          Uncle kayakcreek1:
          http://www.volvowiringdiagrams.com/

          I forget, no Bentley manual for 700/900.

          Get the Volvo factory green service manual for your 1988 740 Turbo.

          Or try Haynes (ugh), Chilton (Ugh), or Clymer (UGh) for Volvo 740/760.

          Uncle Giggabitten

          Sacrilicious!







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            wire harness 700

            posted by  someone claiming to be kayakcreek12 on  Fri Jul 11 15:00 CST 2014 [RELATED]

            thank you







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