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Thread: No headlighs on a 79 series

  1. #1
    Join Date
    Jan 2017
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    Geraldton WA
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    No headlighs on a 79 series

    I went to use our 79 series the otjer night and the headlighs failed to work, Both high and low beam.
    The lights do come on when I use the "flasher" and the fuses seem to be good.
    Compared to my D2a the fusing system in the 79 series is archaic so I am thinking the problem is in the switch itself.
    Before I start pulling the steering coloumb apart is there anything else I should be looking at?
    You only get one shot at life, Aim well

    2004 D2 "S" V8 auto, with a few Mods
    2007 79 Series Landcruiser V8 Ute, With a few Mods.
    2012 Navara twincab
    5.4m Trailcraft Sportscab Boat
    20' Jayco Expanda caravan

  2. #2
    Join Date
    Mar 2007
    Location
    Warwick Qld
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    1,804
    Quote Originally Posted by trout1105 View Post
    I went to use our 79 series the otjer night and the headlighs failed to work, Both high and low beam.
    The lights do come on when I use the "flasher" and the fuses seem to be good.
    Compared to my D2a the fusing system in the 79 series is archaic so I am thinking the problem is in the switch itself.
    Before I start pulling the steering coloumb apart is there anything else I should be looking at?
    An acquaintance had a similar problem a few years ago - turned out to be the dip switch had burnt out. Apparently there's a relay near the radiator, too, that can be a problem. (His was a 6 cylinder).

    The dip switch is like a "cartridge" setup. Remove the shroud, unclip the wiring plug on the bottom, then a couple of screws holding the black "cartridge" (complete with stalk), which pulls out. Replace all, and drive away!
    -----
    You have the right to remain silent. Anything you say will be misquoted, then used against you.
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    1999 Disco TD5 ("Bluey")
    1996 Disco 300 TDi ("Slo-Mo")
    1995 P38A 4.6 HSE ("The Limo")
    1966 No 5 Trailer (ARN 173 075) soon to be camper
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  3. #3
    Join Date
    Jan 2017
    Location
    Geraldton WA
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    4,269
    I am hoping it isn't the switch because getting one in the middle of the Gulf is going to be problematic, I havent been able to find the headlight relay yet so I will have a look up near the radiator for it
    We have been having dramas with ants getting into various electrics and causing problems and I suspect that they are the cause here.
    You only get one shot at life, Aim well

    2004 D2 "S" V8 auto, with a few Mods
    2007 79 Series Landcruiser V8 Ute, With a few Mods.
    2012 Navara twincab
    5.4m Trailcraft Sportscab Boat
    20' Jayco Expanda caravan

  4. #4
    Join Date
    May 2007
    Location
    retired
    Posts
    4,753
    In all probability it will be the switch itself Mr Trout - if so it can be temporarily replaced by using the existing blade connections on a Narva switch if you can get one.
    REMLR 374
    VKS Mob 3258

  5. #5
    Join Date
    Jan 2017
    Location
    Geraldton WA
    Posts
    4,269
    Quote Originally Posted by 87County View Post
    In all probability it will be the switch itself Mr Trout - if so it can be temporarily replaced by using the existing blade connections on a Narva switch if you can get one.
    As far as I know there is a relay for the headlights on the 79 series But I just can't find the little bastard.
    You only get one shot at life, Aim well

    2004 D2 "S" V8 auto, with a few Mods
    2007 79 Series Landcruiser V8 Ute, With a few Mods.
    2012 Navara twincab
    5.4m Trailcraft Sportscab Boat
    20' Jayco Expanda caravan

  6. #6
    Join Date
    Jan 1970
    Location
    NSW far north coast
    Posts
    14,288
    If you wire in another (not Toyota) relay and switch, I think they do something weird like switch the - and not the +

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