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Heads Up: Wiring Harness - Volvo hasn't learned lesson S70 1999

posted by  someone claiming to be Mike M. on  Sun Dec 19 09:49 CST 2004 [RELATED]


Went to replace plugs and found the outer casing on all the wires in the harness to the ignition coil packs brittle and crumbling in some spots.

Figured I'd be done with this crap after having a 740 ... DOH!







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    NO, THAT's just the conduit! S70 1999

    posted by  someone claiming to be Sam on  Mon Dec 20 00:40 CST 2004 [RELATED]

    The plastic conduit is what's crumbling on these, NOT the wire insulation like on older Volvos.








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      NO, THAT's just the conduit! S70 1999

      posted by  someone claiming to be Mike M on  Mon Dec 20 02:20 CST 2004 [RELATED]


      For NOW at least. Won't be very long before wire insulation breaks off.








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        NO, THAT's just the conduit! S70 1999

        posted by  someone claiming to be 99-S70 on  Mon Dec 20 03:25 CST 2004 [RELATED]

        That is why it is important to replace the conduit. Need to prevent the wires from being in direct contact with the hor metal of the head.








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    Heads Up: Wiring Harness - Volvo hasn't learned lesson S70 1999

    posted by  someone claiming to be 99-S70 on  Sun Dec 19 10:59 CST 2004 [RELATED]

    I found same thing. Easy to fix. Get about 3-feet of the plastic conduit fromVolvo for a few dollars. Cut to fit and install. Conduit is spilt so not hard to put on. Took me about an hour.








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    Heads Up: Wiring Harness - Volvo hasn't learned lesson S70 1999

    posted by  someone claiming to be John on  Sun Dec 19 10:06 CST 2004 [RELATED]

    Noticed the same on my 99. Hopefully it won't give me any problems.

    99 S70 124,000 5 speed manual.








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      Heads Up: Wiring Harness - Volvo hasn't learned lesson S70 1999

      posted by  someone claiming to be Mike M on  Sun Dec 19 13:31 CST 2004 [RELATED]

      I don't suppose that plastic is providing much heat rejection so I imagine this will just delay the inevitable (insulation on wires coming off).

      I think I'll replace it as you mentioned and wrap it with that metal duct tape used on duct work carrying hot air.







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