Disconnect the positive or negative of my battery for drain issue car?

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • Jaxx_
    E30 Mastermind
    • Dec 2009
    • 1880

    #16
    Originally posted by b*saint
    If you can concoct a way to increase the amperage through your body of the 12v, you're a brilliant fucking idiot.
    go lick some wires that are hooked up to both posts and come back to me and tell me what you find. you're lowering your body's resistance and in turn increasing the amperage... ;) I=V/R

    Not saying you're going to get hurt at 12V, but saying it's "very low voltage" and you can't get hurt is dangerous to tell someone who is in experienced with electricity.
    '84 318i M10B18 147- Safari Beige
    NA: 93whp/90ftlbs, MS2E w/ LC, 2-Step
    Turbo: 221whp/214ftlbs, MS3x flex @ 17psi

    Comment

    • b*saint
      No R3VLimiter
      • May 2006
      • 3794

      #17
      Originally posted by Jaxx_
      go lick some wires that are hooked up to both posts and come back to me and tell me what you find. you're lowering your body's resistance and in turn increasing the amperage... ;) I=V/R

      Not saying you're going to get hurt at 12V, but saying it's "very low voltage" and you can't get hurt is dangerous to tell someone who is in experienced with electricity.
      Jesus christ, no one listens to what I say. I said you have to be an idiot to get killed with a car battery. You're not lowering your body's resistance your changing the potential between the post via a wet jumper (your tongue). This is being an idiot. You're more likely to blow yourself up with the gases the battery puts out than get electrocuted.

      OP, staying on topic, if you want to know for sure that your battery won't drain, disconnect both leads and remove the battery. If you just want to make sure nothing is drawing it down, disconnect the red. Wicked simple.
      Ma che cazzo state dicendo? :|

      Comment

      • dnguyen1963
        R3VLimited
        • Nov 2011
        • 2648

        #18
        Harborfreight Tools is selling a floating battery charger for $4.99 right now. You can hook it up and keep your battery charged throughout the winter.

        Comment

        • bmwstudent
          E30 Fanatic
          • Sep 2011
          • 1364

          #19
          Drill a hole in the top of the battery and siphon out the acid then pour it your cat. I saw so many responses to this question i had to add my own.
          sigpic

          Comment

          • Hey_You
            E30 Modder
            • Nov 2009
            • 963

            #20
            Disconnect your negative. Disconnecting your positive can fry your PCM when you hook it back up already grounded.
            85' 318i ~The Bronze Bomber (FrankenM10 with a Forced Future :wgaf:)

            Comment

            • blackhawkimpact
              R3VLimited
              • Apr 2010
              • 2415

              #21
              Just remove battery from car and take it with you.

              Comment

              • Gubernaculum
                Member
                • Jun 2011
                • 69

                #22
                The negative. Doing the positive risks grounding the battery out on the metal of the car when you're swinging your wrench. Yeah you're probably not going to get electrocuted but the arc and short could: mess up your wrench, cause abnormal brown staining of your underbritches, blow up your battery, splash battery acid in your dickhole, or ignite your trunk full of moonshine or various methamphetamines.

                Comment

                • bimmershark
                  Grease Monkey
                  • Mar 2010
                  • 319

                  #23
                  negative...i take care of condo cars down here in florida we drive the cars once a month so the rest of the month they sit unhooked with the positive cable only hooked up and have zero issues

                  Comment

                  Working...