Accessory power location
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2004-2007 Cadillac CTS-V Performance Mods Discussion, Accessory power location in Cadillac CTS-V Series Forum - 2004 - 2007; Installing a bottle heater in the trunk for the nitrous bottle. What is the closest accessory (12 volt) power source ...
  1. #1
    dannboss is offline Cadillac Owners Fanatic
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    Accessory power location

    Installing a bottle heater in the trunk for the nitrous bottle. What is the closest accessory (12 volt) power source I can tap into?

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    heavymetals's Avatar
    heavymetals is offline Cadillac Owners Master
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    Re: Accessory power location

    There is a power line running between the fuse boxes under the rear seat.

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    dannboss is offline Cadillac Owners Fanatic
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    Quote Originally Posted by heavymetals View Post
    There is a power line running between the fuse boxes under the rear seat.
    Thanks!!

    Beginner question..... Which one is it? Color? How can I check?

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    SkullV's Avatar
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    Re: Accessory power location

    DO NOT run the heater off an existing accessory line. The heaters draw a large amount of power and need a dedicated line to the battery. What you are going to want to do is run a relay to the heater activation switch and then a dedicated power line to the relay.

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    V-Love's Avatar
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    Re: Accessory power location

    Kmajecki posted three great videos of his uninstall on youtube. I searched around but forgot the titles. My hotmail doesn't load upo for some reason or I could provide the links. He has sold his V but he may be around.... I'll PM him and see if he can hook it up.

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    V-Love's Avatar
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    Re: Accessory power location

    He is on line now....

  8. #7
    Kmajecki's Avatar
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    Re: Accessory power location

    My you tube is: http://www.youtube.com/555ctsv

    But i see now that i took down the N2O vids. Prob as i was selling the car i didnt want to scare off any potential buyers. The video didnt really say much about the heater anyway.

    You can tap into accessory power for the switch, but it needs to just be for powering the relay. I would suggest going straight to the battery, or perhaps tapping into that heavy gauge wire we used on the relay for the nitrous solenoid, although if the heater was on while you were spraying i wonder if that could cause issues? Other's can chime in on that. Also that wire is all the way up front, so if you're going through the trouble of running a line that far you might as well just run a new one to the 12v on the battery.

    I believe i used the 12V from the rear cigarette lighter for my cutouts and for the bottle heater relay. I was cautioned from the people i bought my heater from that the amps the heater draws could actually melt the toggle switch if a relay wasnt used... I put the relay in the trunk under the spare tire bucket. Very close to where the nitrous line enters the trunk there's a little pocket of space just big enough between the bucket and the metal. I used a self tapping screw to ground it to the sheet metal and it worked fine.

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    dannboss is offline Cadillac Owners Fanatic
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    Re: Accessory power location

    Thanks Kmajecki. I called Nitrous Outlet and they convinced me that I probably don't have to have a relay, but I might as well wire one. Interestingly enough, the Zex auto thermostat heater didn't come with one, and the instructions don't ever mention one.

    But I think what I am going to do is have the switch powered by accessory power, and the bottle heater draw from the battery through the relay. Should be the safest way to do it.

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    CTSVmapper is offline Cadillac Owners Fanatic
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    Re: Accessory power location

    Quote Originally Posted by dannboss View Post
    Thanks Kmajecki. I called Nitrous Outlet and they convinced me that I probably don't have to have a relay, but I might as well wire one. Interestingly enough, the Zex auto thermostat heater didn't come with one, and the instructions don't ever mention one.

    But I think what I am going to do is have the switch powered by accessory power, and the bottle heater draw from the battery through the relay. Should be the safest way to do it.
    its plain and simple that Nitrous Outlet are a bunch of douches to even say that, did they also tell you to run no fuse?.. cause you could get away with out one . Relay is a must and is the PROPER way to function a bottle blanket as SKULLV says.

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    SkullV's Avatar
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    Re: Accessory power location

    N2O outlet isn't bad, but they are lacking in some of the electrical tech knowledge that HSW, NOS, NX, etc have.

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    dannboss is offline Cadillac Owners Fanatic
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    Re: Accessory power location

    It did come with a 30amp inline fuse. I went to autozone at lunch and picked up a relay. Now for the fun part.

    I laugh everytime the word douche is used on these forums. It is such a ridiculous word, but funny.

  13. #12
    Kmajecki's Avatar
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    Re: Accessory power location

    Hmm if it came with a 30amp fuse, then surely Zex made sure the switch could handle it. Worst case the little 20gauge cig lighter wire melts! lol

  14. #13
    Kmajecki's Avatar
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    Re: Accessory power location

    After seeing the bottle heater pic on their site, there seems to be a box on the side of the heater. Perhaps this is some type of voltage step-down-thinga-ma-jiggy?

    Actually i just got off the phone with ZEX, their tech also said no relay is required and that the cig lighter 12v will be fine. He even mentioned they offer a module that actually has a cig lighter plug on it!



    Cig lighter module



    Looks like the douches may have been right




    Here's another install that didnt use a relay: http://www.fordmuscle.com/archives/2...ous/index2.php

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    SkullV's Avatar
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    Re: Accessory power location

    Just because it's done that way doesn't make it right, just lazy. The RIGHT way to do it would be with a relay no matter what.

  16. #15
    SkullV's Avatar
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    Re: Accessory power location

    And please do not call me some sort of fanboy like whisler...I'm in the process of switching noids to n2o outlet noids. Each company does something right. Hen you combine all the best stuff piece for piece you will have the best kit.

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