1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Voltmeter

Discussion in '3rd Gen. Tacomas (2016+)' started by samwoo2go, Apr 16, 2018.

  1. Apr 16, 2018 at 5:49 PM
    #1
    samwoo2go

    samwoo2go [OP] Well-Known Member

    Joined:
    Aug 28, 2017
    Member:
    #228365
    Messages:
    129
    Gender:
    Male
    SoCal
    Vehicle:
    2018 Taco TRDOR DCSB Cement
    If I want to monitor my battery charge level while parked with my LED light bar on. Is it as simple as getting one of these cig lighter plug in voltmeter and plug it in?

    I am not looking for anything that is a permanent mounted solution, just something I can plug in when I am camping, and throw in the glove box when I am moving.

    Also, at what volt should I start the truck to recharge battery?

    https://www.amazon.com/Charger-Adap...UTF8&qid=1523925713&sr=1-4&keywords=Voltmeter
     
  2. Apr 16, 2018 at 5:51 PM
    #2
    CanisLupus

    CanisLupus Member since 2011

    Joined:
    May 17, 2011
    Member:
    #56826
    Messages:
    6,321
    First Name:
    Matt
    Greensboro | NC
    Vehicle:
    '17 Yamaha FZ-09 - ‘19 Honda Civic Hatchback
    It would only be powered while the vehicle is on, and voltage should be anywhere from 13.5-14V when the vehicle is on.

    Matt
     
  3. Apr 16, 2018 at 5:55 PM
    #3
    aleriance

    aleriance Well-Known Member

    Joined:
    Mar 20, 2017
    Member:
    #213857
    Messages:
    471
    Gender:
    Male
    First Name:
    Jorge
    Naples, FL
    Vehicle:
    2017 TRD OFF-ROAD 4X4
    1) You should only have your LED bar on when your ENGINE IS ON.

    2) What do you mean by "at what voltage should I start the truck to recharge the battery"? I'm not sure you understand how batteries in vehicles work.
     
    CanisLupus likes this.
  4. Apr 16, 2018 at 6:36 PM
    #4
    Blkvoodoo

    Blkvoodoo a Hooka smoking caterpillar has given me the call

    Joined:
    Jul 23, 2015
    Member:
    #160098
    Messages:
    4,084
    Gender:
    Male
    First Name:
    Kevin
    Near Clayton NC
    Vehicle:
    08 PreRunner SR5 DCSB
    A fully charged battery is 12.6-12.7 vdc, technically 11.9vdc is a "dead" battery

    damage to a regular "starting" battery occurs below 11.6vdc and more likely the higher the amp draw.
    voltchart1.gif
     
  5. Apr 16, 2018 at 6:48 PM
    #5
    mutely

    mutely Well-Known Member

    Joined:
    Feb 15, 2017
    Member:
    #210640
    Messages:
    1,576
    Vehicle:
    TRD Pro in metallic primer
    As you can see from the chart above, it’s a fine line and those cheap volt meters are not accurate for may reasons. Both in connections (cig lighter) and internal electronics. They are a good directional indicator, or good as a reference point, but do not trust them to be an accurate indication of when you need to start your truck, or you’ll be sorry. Only accurate value is a quality hard wired unit.
     
  6. Apr 16, 2018 at 6:53 PM
    #6
    samwoo2go

    samwoo2go [OP] Well-Known Member

    Joined:
    Aug 28, 2017
    Member:
    #228365
    Messages:
    129
    Gender:
    Male
    SoCal
    Vehicle:
    2018 Taco TRDOR DCSB Cement
    Got you. Ok keep the truck running.

    Thanks all
     
  7. Apr 16, 2018 at 7:11 PM
    #7
    Blkvoodoo

    Blkvoodoo a Hooka smoking caterpillar has given me the call

    Joined:
    Jul 23, 2015
    Member:
    #160098
    Messages:
    4,084
    Gender:
    Male
    First Name:
    Kevin
    Near Clayton NC
    Vehicle:
    08 PreRunner SR5 DCSB
    What you could do is have a second deep cycle battery on an isolator, then it charges when vehicle is running, and you can use it as a separate power source (camping, aux lighting...) takes some thought and planning, but its not hard
     
    samwoo2go [OP] likes this.

Products Discussed in

To Top