Relocated Batt to the rear
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  • 2 Post By rand49er
2004-2007 Cadillac CTS-V General Discussion Discussion, Relocated Batt to the rear in Cadillac CTS-V Series Forum - 2004 - 2007; Here is a pic of my attempt to relocate the batt to the rear. I used the same method as ...
  1. #1
    Naf's Avatar
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    Relocated Batt to the rear

    Here is a pic of my attempt to relocate the batt to the rear. I used the same method as the BMW where i connected the ground wires to the chassis and did a direct positive to the engine bay.

    Fair i added 5lb due to the weight of the wires but with a batt that weighs 9lb i am not gonna complain...

    I also added a cut off switch for those long terminal parkings so no one tries to rip off my ride...

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    AAIIIC's Avatar
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    Re: Relocated Batt to the rear

    That has drastically changed the appearance of your car, so it's good you posted this in the Appearance Mods forum!

    Have you started the car yet with that configuration? What wire gauge did you use?
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

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    Re: Relocated Batt to the rear

    Has anyone tried to relocate the battery to that "spare tire" area in the trunk? I think that would be nifty and you wouldn't have to cut too much.

    Maybe you did put it in the spare tire thingy? now that I stare at the picture long enough I'm trippin out!

  5. #4
    CancerJCC is offline Cadillac Owners Connoisseur
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    Re: Relocated Batt to the rear

    Quote Originally Posted by Rakenjevnk View Post
    Has anyone tried to relocate the battery to that "spare tire" area in the trunk? I think that would be nifty and you wouldn't have to cut too much.

    Maybe you did put it in the spare tire thingy? now that I stare at the picture long enough I'm trippin out!
    Lol no its on the side. Although I certainly see your POV.

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    bassillac is offline Cadillac Owners Member
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    Re: Relocated Batt to the rear

    What Guage cable did you use and how long is the run? (cable length) How did you splice/connect to the factory positive? These
    batteries are very cool but at $2000 out of reach for most americans. Thanks for sharing....

  7. #6
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    Re: Relocated Batt to the rear

    Quote Originally Posted by bassillac View Post
    These
    batteries are very cool but at $2000 out of reach for most americans. Thanks for sharing....
    .......Americans ?? I'd guess that these batteries were not designed for export to countries where it is believed people have lots of money . Nice setup Naf. Looks very tidy back there. The lithium is a bit over the top but guys wanting the other Braille options can get some ideas from your set up. Yes as Bassillac said please give us the details on the cables.

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    Re: Relocated Batt to the rear

    I used a 2 gauge multistrand high flex wire..This is my second Lithium battery, the first one died and this almost bit the dust due to the excessive heat in the engine bay. Thats the main reason for the relocation.

    I have started the car three times but am gonna have to put in a capacitor in the engine bay to help with the current draw.

    I raised my tub to be shallower than stock for more vacuum in the rear of the car,

    I have a modified Specter spoiler in the works with a CF wicker that is adjustable.

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    Re: Relocated Batt to the rear

    Quote Originally Posted by bassillac View Post
    What Guage cable did you use and how long is the run? (cable length) How did you splice/connect to the factory positive? These
    batteries are very cool but at $2000 out of reach for most americans. Thanks for sharing....
    I will snap a couple pics of the engine bay so you may see how i connected the positive in.

    I actually used the Casper relocation kit. Simple and effective. I did reuse the stock positive wires for safety.

  10. #9
    kevm14 is offline Cadillac Owners Connoisseur
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    Re: Relocated Batt to the rear

    How can a Li-Ion battery possibly be charged safely and effectively from a simple alternator? Is there a smart charging circuit in series?

  11. #10
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    Re: Relocated Batt to the rear

    Shouldn't this be in the Appearance Section?


    Wait ... what?
    lollygagger8 and lollygagger8 like this.
    '05 CTS-V, Maggie, Kooks, Hotchkis, Ground Control, Corsa, B&M, DSS/Hendrix, Full 3M Clear Bra, Autovation, V Headrests, CTS Console, STS-V 55w Fogs, Black Vette FRCs, Specter Werkes, Katech LS9 Clutch, SS Brake Lines, Heavymetals U-Turn Fuel Line Eliminator, Momo Combat Evo Shift Knob, Wldwhl Clear Sidemarkers, Linea Corse LC855 Wheels or OEM wheels w/'06-'07 Center Caps, plus a couple more. 472 RWHP/411 RWTQ (Mustang Dyno).

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    Re: Relocated Batt to the rear

    Quote Originally Posted by kevm14 View Post
    How can a Li-Ion battery possibly be charged safely and effectively from a simple alternator? Is there a smart charging circuit in series?
    There are a series of small batteries in the battery so charging them to 12v isnt a problem. I took apart my 128L and found this out...It couldnt be saved and Braille was seein $$$ when they told me how much it will cost to repair.

    Rander i thought the same thing, till someone made a remark about how it didnt alter the exterior look of the car...Needless to say it has been done and looks like it came this way from the dealer

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    Re: Relocated Batt to the rear

    Grounding the car makes the biggest difference. Had half the car with speaker and the other half not. Also the idle wasnt smooth at all. I added two more cables. One from the passenger side body to the center block for the engine, and one from the drivers side to the same block.

    Idle is ultra smooth, and the radio is hesss free. Will be installin a 10 farad capacitor for better electronic filteration and more power

  14. #13
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    Re: Relocated Batt to the rear

    Can you post up that engine bay photo and how you ran all of your wires, mounted your battery and your extra grounds?

    Thanks!

  15. #14
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    Re: Relocated Batt to the rear

    I waited patiently about a year for a photos; think you could get it up in the next 2-3 years?

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