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Stopped by a snow pile. 200 1980

posted by  grey ghost on  Thu Mar 29 14:29 CST 2007
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last visit: Mon Apr 6 12:08 CST 2009
[RELATED]

A snow pile "compromised" the wires running along the front of the oil pan on my 1980 240. The little red wire at the back of the alternator broke off of the harness. This got my attention first. Crawling under the car greeted me with a crumbling mess. I would like to know, how many wires are in this sleeve and where does that little red wire go. I would like to splice the wires together to get the car running again, so I can get to a place (like my driveway !! ) where I can replace the harness eventually. Thanx.








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    Stopped by a snow pile. 200 1980

    posted by  B.C. on  Thu Mar 29 18:13 CST 2007
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    last visit: Wed Mar 28 22:28 CST 2012
    [RELATED]

    That under-engine harenss has three wires in it. One fat red wire, from alternator to the starter. It carries the charge current to the battery.

    Two thin wires, one red and one black. They both end in the gray connector on the firewall.

    The black wire goes to the oil pressure sensor. It grounds inside the sensor when there is low oil pressure. If it grounds elsewhere, the oil light will come on.

    The red wire is the first one to fix. It connects to the back of the alternator. Without it the alternator will not charge.

    The fat red wire is important for charging, too. Also, since it is connected to the starter lug which connects to the battery, it is hot all the time. Good idea to disconnect the battery negative terminal before working on the job.

    Good Luck,

    Bob

    :>)







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