HID Kit Wattage
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Cadillac Seville / Cadillac Eldorado Forum Discussion, HID Kit Wattage in Past Cadillac Vehicle Discussion; My friend has a 2001 Seville SLS with projectors but they have halogen bulbs in them. He wants to upgrade ...
  1. #1
    lsfanatic is offline Cadillac Owners Member
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    HID Kit Wattage

    My friend has a 2001 Seville SLS with projectors but they have halogen bulbs in them. He wants to upgrade to HIDs but what wattage would be best? I know 55w is brighter but I wasn't sure if that would be too hot for the factory headlight housing?

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    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    It won't be too hot, but one train of thought is that the extra light being produced is offset by the fact that the extra bright light being reflected back at you from the road and objects in front of you, has a negative effect on your night vision.

    Also, bulb life will be reduced ~20%.

    Go with a high quality kit, such as the ones offered by www.theretrofitsource.com.

  4. #3
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: HID Kit Wattage

    Quote Originally Posted by lsfanatic View Post
    My friend has a 2001 Seville SLS with projectors but they have halogen bulbs in them. He wants to upgrade to HIDs but what wattage would be best? I know 55w is brighter but I wasn't sure if that would be too hot for the factory headlight housing?
    ------------------------
    I totally agree with MC -

    get a high quality 35w set -
    keep the bulbs in the 4100K to 4600K range for best light -
    5000K start turning blue -
    6000K are blue - and deliver LESS useable light on the road -

    what ever you do - DON'T let your friend get the el-cheapo
    $29.95 ebay specials - THEY ARE PURE GARBAGE -

  5. #4
    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    5,000,K is regarded as pure white. 6,000K+ is getting blue.

    The range that basscatt posted is white with a slight yellow tinge (4,300K was stock with the factory HID option), is generally brighter, but there are 35 watt, 5,000K bulbs that put out more light.

  6. #5
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Re: HID Kit Wattage

    Stick with whats been said above. 4300k is OEM and will produce the closest thing to natural sunlight.

    35w will do just fine, and be aware....You might need to reverse the polarity on the connection to the OEM system, I know I had to when I installed the HIDs in my old Seville. Through me for a loop for about 60s until I did a little Google'ing...
    Past Cadillac's

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    2001 Seville Touring Sedan - 2006-2011
    1995 Seville Touring Sedan - 2005-2006

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    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: HID Kit Wattage

    oh - one moe thing -
    there is a special wiring harness available for around $10 - get it -

  8. #7
    lsfanatic is offline Cadillac Owners Member
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    Re: HID Kit Wattage

    ok thanks for the feedback. I had heard about the reversed polarity and dealt with it on my silverado. so a 5000k 35w kit is best? I have used ddm tuning's kit before and it has worked well

  9. #8
    MoistCabbage's Avatar
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    Color temp is your choice, but I'd recommend staying between 4,000K and 6,000K for the best lighting, and to stay legal.

  10. #9
    JimD is offline Cadillac Owners Connoisseur
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    Re: HID Kit Wattage

    Quote Originally Posted by lsfanatic View Post
    My friend has a 2001 Seville SLS with projectors but they have halogen bulbs in them. He wants to upgrade to HIDs....
    Wattage is not the (burning) issue. Be sure your friend knows his 2001 is on the bubble for the first year that Cadillac offered factory optional HID low beam bulbs in a Seville.

    The critical factor is -- IF the car left the factory with halogen bulbs, the LOW beams "might" be turned OFF when HIGH beams are selected. Which will result in a one-three second period of darkness when he selects LOW beams again. Not a desireable situation at 60 MPH on a dark and stormy night.

    Easy enough to test before he buys the parts.

    And there is a simple/easy mod to keep the LOW beams ON when HIGH beams are selected.

  11. #10
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Quote Originally Posted by JimD
    Wattage is not the (burning) issue. Be sure your friend knows his 2001 is on the bubble for the first year that Cadillac offered factory optional HID low beam bulbs in a Seville.

    The critical factor is -- IF the car left the factory with halogen bulbs, the LOW beams "might" be turned OFF when HIGH beams are selected. Which will result in a one-three second period of darkness when he selects LOW beams again. Not a desireable situation at 60 MPH on a dark and stormy night.

    Easy enough to test before he buys the parts.

    And there is a simple/easy mod to keep the LOW beams ON when HIGH beams are selected.
    I installed aftermarket HIDs in my 2001, lows stayed on when high beams were engaged, no modification necessary.
    Past Cadillac's

    2004 CTS 3.6L - 2011-2012
    2001 Seville Touring Sedan - 2006-2011
    1995 Seville Touring Sedan - 2005-2006

  12. #11
    Submariner409's Avatar
    Submariner409 is offline If it won't run, install a sound system
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    Re: HID Kit Wattage

    Quote Originally Posted by curtc View Post
    I installed aftermarket HIDs in my 2001, lows stayed on when high beams were engaged, no modification necessary.
    Same for 2002 (Seville)

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