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58 brookwood low beams quit working but now all 4 are on with high beams?

Discussion in 'The Hokey Ass Message Board' started by fiddy, Apr 23, 2013.

  1. fiddy
    Joined: Sep 24, 2009
    Posts: 163


    Hey fellers, i got an issue that just started with my brookwood. I have zero headlights when switched to low beams but all four come on when i switch to high?? Anyone had this issue before? It has 56 year old wiring but i havnt found anything bare under the dash
  2. tommyd
    Joined: Dec 10, 2010
    Posts: 11,666

    from South Indy

    Bad dimmer switch.
  3. 58 Yeoman
    Joined: Aug 7, 2009
    Posts: 478

    58 Yeoman
    from Lacon, IL

    Have you checked the low beam bulbs for being burned out (they each have two filaments). It could be a coincidence that you already had one low beam burned out, then when the second one went, you would notice no light on low beams. Do the easy stuff first.
  4. fiddy
    Joined: Sep 24, 2009
    Posts: 163


    They worked like they should two weeks ago when i drove it. I'll gie the dimmer switch a shot.

  5. flyin54
    Joined: May 17, 2011
    Posts: 48

    from modesto ca

    I spent all day troubleshooting and replacing parts on a O/T pickup one time and in the end both low beams were burnt out. Boy did I feel dumb when I figured that one out!
  6. bobwop
    Joined: Jan 13, 2008
    Posts: 6,098


    as said, dimmer switch
  7. rockfish
    Joined: Apr 11, 2001
    Posts: 445


    Yeah, that's usually the case. When something breaks it was working right up until it wasn't :D
  8. junkyardjeff
    Joined: Jul 23, 2005
    Posts: 8,285


    I have had both low beams burn out so before buying any part check for voltage at the low beam plugs.
  9. I've found that 90% of headlight problems on cars with floor mounted dimmers stem from the dimmer switch. Don't forget, it's down on the floor with your wet dirty shoes.

    The one on my C10 has a angled spot worn in to the stomper from so many years of use. When I drug the truck from the field the headlights didn't work. I pulled the switch, cleaned all the contacts, cycled it a few times while lubricating it, and plugged it back in "just to see". It's been going strong ever since.
  10. slammed
    Joined: Jun 10, 2004
    Posts: 8,151


    Dimmer switch is also screwed to the floor boards which face the drivers wheel sling. Shoot some WD-40 up in it. Would be good idea to secure a new one, and seal it from the elements.

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