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low beam = low brains S70

posted by  someone claiming to be mark on  Tue Jan 12 02:21 CST 2010 [RELATED]

Wife reported headlight out, driver's side. Confirmed w/ idiot light on dash. My wife is not the idiot. I take on challenge. Go to parts house. Purchase headlite. R & R dead headlight. Feeling good about myself. Turn key to illumine new light. Doesnt't work. Not feeling good about myself. Ck connections. Try high beam. It works. Hmmmm. Install "old" headlight. Same scenario. Could be a fuse. Ck fuse grid. LH low beam lamp is fuse #21, a 15 amp. Install new fuse in slot #21. No change. Self-esteem still low. I realize I need help from the army of brickboard specialists. THANK YOU. (I need to win my wife's confidence back, too :) )








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    low beam = low brains S70

    posted by  someone claiming to be mark on  Tue Jan 12 13:22 CST 2010 [RELATED]

    Thanx, Calvin & Klaus- -- got er done! Back in business. Appreciate your wisdom!








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    low beam = low brains S70

    posted by  KlausC on  Tue Jan 12 07:23 CST 2010
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    last visit: Fri Oct 24 10:15 CST 2014
    [RELATED]

    If you have a volt meter, turn the headlights on and check the voltage at the plug. These plastic plugs have a tendancy to crumble with age.

    Klaus
    --
    Proud owner of a 220S. If I had more room, I would have more Volvos.








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    low beam = low brains S70

    posted by  someone claiming to be Calvin on  Tue Jan 12 05:50 CST 2010 [RELATED]

    This happened to me recently on my 98 S70 189K. I discovered that the connector was broken and wasn't seating correctly on the bulb blades. Was able to make the connection between the bulb blades and the female receptor despite the connector's plastic breaking completely apart when I handled it. I've since picked up a new connector harness at the local pick and pull but haven't gotten around to swapping it out.

    Obviusly there is a break in the low beam circuit somewhere.......

    You might also try swapping the "good" bulb on the other side just to rule out the possibility that the new bulb was defective.

    Another possibility might be a relay problem. Though I don't recall hearing that our Volvos have the problem, I have a Saab that suffers from a bad solder joint in the headlight relay.

    Hope this helps. Good luck.







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