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Thread: Headlamp Bulbs 6012 versus 6014

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    Commander Member bjackameit's Avatar
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    Headlamp Bulbs 6012 versus 6014

    My 1964 Challenger has 6012 headlamp bulbs probably the original bulbs as it only has 38,000 miles on it and was stored almost 40 years. One lamp is burned out on low beam. Available local replacement is 6014 which I am told is a brighter lamp which draws more power. Is there any problem such as overloading the wiring or a fuse with using the 6014 lamps?

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    Golden Hawk Member JDP's Avatar
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    Quote Originally Posted by bjackameit View Post
    My 1964 Challenger has 6012 headlamp bulbs probably the original bulbs as it only has 38,000 miles on it and was stored almost 40 years. One lamp is burned out on low beam. Available local replacement is 6014 which I am told is a brighter lamp which draws more power. Is there any problem such as overloading the wiring or a fuse with using the 6014 lamps?
    No, not usually.
    JDP Maryland

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    You can use 6024 halogen bulbs which draw less current, but should be replaced in pairs. I use them in my Studebakers and the headlights are a bunch brighter. Bud

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    but........you will draw much more current with the halogens than originals and trip the HL breaker causing intermittant "no lights" phenomenon..
    not a fun time the 1st time it happens.....did I say you will have "no lights" when you hit the "passing beam/dimmer/hi beam switch...

  5. #5
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    I've never had a problem with the breaker tripping in any of the older cars that I've retrofitted with halogen bulbs. I would suspect a defective breaker or some other problem in the headlight circuit. Bud

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    I put halogens in the Champ and have never had a problem with them. Steve

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    I ran a test on 6012, 6014 and 6024 headlights this afternoon. At 14 volts a 6012 bulb draws 2 amps on low beam, a 6014 draws 3 amps and a 6024 draws 1.75 amps. On high beam a 6012 draws 3 amps, a 6014 draws 3.5 amps and a 6024 draws 4 amps. The increase in current draw between the 6012 and the 6024 headlights shouldn't cause problems with a headlight circuit that is in good condition. Bud

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    Lightbulb Agreed

    Quote Originally Posted by wolfie View Post
    I put halogens in the Champ and have never had a problem with them. Steve
    I switched over to halogen sealed beams shortly after I purchased my Transtar. No problems in the past 3 1/2 years (and way better night illumination).
    Mark Hayden
    '57 Transtar Deluxe
    '66 Commander

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    Interesting. You fellas that are using the 6024 Halogens, are you running them through the stock Stude wiring and light switch or are you utilizing a relay setup?
    Dean




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    Post Wiring

    Quote Originally Posted by Clem64 View Post
    Interesting. You fellas that are using the 6024 Halogens, are you running them through the stock Stude wiring and light switch or are you utilizing a relay setup?
    I am using a modern wiring harness and the headlamp switch was replaced with a NOS unit, but no relays or other modifications have been added on my truck.
    Mark Hayden
    '57 Transtar Deluxe
    '66 Commander

    Regional Manager
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    http://studebaker.ca/ - BC Coastal Chapter
    www.bcsouthintsdc.ca - BC Southern Interior Chapter
    http://visdc.shawwebspace.ca/ - Vancouver Island Chapter

  11. #11
    Golden Hawk Member
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    I've always ran Halogens in my Studes. Never any problems.
    Matthew Burnette

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    6012 50/40 watt Original spec. 6014 60/50 watt replaces 6012 H6014 60/50 watt Halogen 6015 60/50 watt long-life H6024 65/35 watt Halogen H6024 XV 65/55 watt Extra-bright, long life

  13. #13
    President Member Deaf Mute's Avatar
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    The Halogens in my '63 Avanti have caused no problems for about 9 years.

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    Golden Hawk Member DEEPNHOCK's Avatar
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    Low voltage is what kills most halogen bulbs (besides finger oil on the bulbs)...

  15. #15
    Speedster Member
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    Thanks everyone for your answers. In the past I have installed the Halogens in older non-Stude cars without any switch issues. I had heard that the Stude switch is the weak link. Apparently not.
    Dean




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    I have a headlight relay on my Avanti because the wiring in those cars is suspect at best, but my 62 Hawk and my girlfriends 63 Lark have halogen headlights with no relays and there haven't been any problems. I did clean all of the connections in the headlight circuits in all of the cars though. The use of relays as close to the headlights as possible will make the halogen bulbs a bunch brighter because there isn't much of a voltage drop through the relays. My Avanti has bright headlights and the tail and instrument lights are brighter because the load from the headlights has been taken away from the head light switch. Bud

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    Mmmm...nope, something's wrong there. The low beam of a 6012 is 40w at 12.8v, which would be 3.13A approx. Translating to 14v would yield about 46W, which would be 3.3A. > a 6014 draws 3 amps 50w at 12.8v = 3.9A58w at 14v = 4.1A > and a 6024 draws 1.75 amps 35w at 12.8v = 2.7A40w at 14v = 2.9A > On> high beam a 6012 draws 3 amps 50w at 12.8v = 3.9A58w at 14v = 4.1A > a 6014 draws 3.5 amps 60w at 12.8v = 4.7A69w at 14v = 4.9A > a 6024 draws 4 amps 65w at 12.8v = 5.1A75w at 14v = 5.4A Might want to check the calibration of your VOM!

  18. #18
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    Mmmm...nope, something's wrong there. The low beam of a 6012 is 40w at 12.8v, which would be 3.13A approx. Translating to 14v would yield about 46W, which would be 3.3A. > a 6014 draws 3 amps 50w at 12.8v = 3.9A58w at 14v = 4.1A > and a 6024 draws 1.75 amps 35w at 12.8v = 2.7A40w at 14v = 2.9A > On> high beam a 6012 draws 3 amps 50w at 12.8v = 3.9A58w at 14v = 4.1A > a 6014 draws 3.5 amps 60w at 12.8v = 4.7A69w at 14v = 4.9A > a 6024 draws 4 amps 65w at 12.8v = 5.1A75w at 14v = 5.4A Might want to check the calibration of your VOM!



    Quote Originally Posted by Bud View Post
    I ran a test on 6012, 6014 and 6024 headlights this afternoon. At 14 volts a 6012 bulb draws 2 amps on low beam, a 6014 draws 3 amps and a 6024 draws 1.75 amps. On high beam a 6012 draws 3 amps, a 6014 draws 3.5 amps and a 6024 draws 4 amps. The increase in current draw between the 6012 and the 6024 headlights shouldn't cause problems with a headlight circuit that is in good condition. Bud

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    President Member mmagic's Avatar
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    I've picked up halogen relay kits on ebay for about $20 to $30 and used them on Cherokees, Comanche's and my Champ. I absolutely will use one on the Speedster.

  20. #20
    Golden Hawk Member
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    On '60 thru '66 Larks and Lark types my experience has been there is always high resistance at the usually damp, above the floor mounted Dimmer Switch, this is the biggest culprit I have found.
    Sometimes it is the Dimmer Switch, but most times it is the poor connections that trip the 20 AMP Headlight Circuit Breaker.
    I always blamed my Halogen Headlights for worsening the problem, but I can't say for sure which it is, maybe BOTH.

    Definitely NOT fun, on a Dark country road on a Dark Night!

    This is on many '63's and a few '64's over 51 years.

    It is somewhat odd that on all my '54 to '59's with the under the floor Dimmer, outside in the weather with the rock and mud shield over it but all the left front wheel water and moisture nearby, no problems at all!
    StudeRich
    Second Generation Stude Driver
    Proud '54 Starliner Owner



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