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Silly question, but I gotta ask

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Bluegrass Taco, Jan 29, 2016.

  1. Jan 29, 2016 at 5:45 AM
    #1
    Bluegrass Taco

    Bluegrass Taco [OP] Politically incorrect low tech redneck

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    Mt Washington Ky
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    The battery in my 2011 DCSB is nearing 5 years old. No obvious signs that it's giving up, but, I have an opportunity to replace it now (on someone else's dime!) So here's the 1st world problem..... When I disconnect the battery, I understand certain things (ie; Radio presets, etc) may be lost. The only thing that concern's me (and my OCD tendencies) is.......Will I lose the oil change reminder idiot light mileage? A simple yes or no.......
     
  2. Jan 29, 2016 at 5:54 AM
    #2
    JonathanH

    JonathanH Well-Known Member

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  3. Jan 29, 2016 at 5:58 AM
    #3
    MJR

    MJR Well-Known Member

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    No
     
    Bluegrass Taco [OP] likes this.
  4. Jan 29, 2016 at 6:10 AM
    #4
    Bluegrass Taco

    Bluegrass Taco [OP] Politically incorrect low tech redneck

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    Mt Washington Ky
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    Thanks guys! Now I can quit pacing the floor! I'm neurotic/OCD about my oil changes! Did NOT want to alter that timeline!
     
    Fenwick1993 likes this.
  5. Jan 29, 2016 at 6:14 AM
    #5
    Skrain

    Skrain Time is an illusion. Lunchtime doubly so.

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    Way more then I can really afford...
    It's linked to the odometer brain box so unless your odometer resets to 0, it won't affect it.
     
    Bluegrass Taco [OP] likes this.
  6. Jan 29, 2016 at 6:17 AM
    #6
    Jimmyh

    Jimmyh Well-Known Member

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  7. Jan 29, 2016 at 6:20 AM
    #7
    Bluegrass Taco

    Bluegrass Taco [OP] Politically incorrect low tech redneck

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  8. Jan 29, 2016 at 6:45 AM
    #8
    PackCon

    PackCon Well-Known Member

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    Change the battery while the car is running and you will not lose your presets.

    Also, just go to the battery place and have them check your battery to see where it's at. No sense in replacing a good battery, no matter how old it is.
     
  9. Jan 29, 2016 at 6:53 AM
    #9
    jpneely

    jpneely Well-Known Member

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    mine just died on mine a month or so ago. it was the original and all it took was an accidental full drain. we were out camping In bumfuck nowhere so we had to wait for a rando to drive by and hope he was a good guy haha. it wouldn't take a charge at all so I had to hitch a ride into the nearest town for a new one. AAA doesn't come all the way out to some places. get it tested and if everythings not spot on, its always better to be safe than sorry. by the way, the battery had been performing 100% up till that point.
     
    Bluegrass Taco [OP] likes this.
  10. Jan 29, 2016 at 6:57 AM
    #10
    Pigpen

    Pigpen My truck is never clean

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    I've owned vehicles for the last 25 years. The vehicle has always run off of the battery, while the alternator charges the battery. No vehicle has run directly off of the alternator (that I know of). Am I missing something?

    Maybe I'll realize I'm wrong after I pour a cup of coffee...
     
  11. Jan 29, 2016 at 6:59 AM
    #11
    jpneely

    jpneely Well-Known Member

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    Cool cruise control thingy!
    I was under the same impression. ive had batteries die while going down the road (albeit not in my taco) and the truck shut off. I don't think his statement is altogether true unless the tacomas are special
     
  12. Jan 29, 2016 at 7:00 AM
    #12
    robssol

    robssol If it ain't broke, leave it the eff alone!

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    I used the battery out of my lawn mower to hold the memory a couple years ago. But I like the 9V battery in the 12V power tap. Should work just fine and much more convenient.:thumbsup:
     
  13. Jan 29, 2016 at 7:04 AM
    #13
    jmaack

    jmaack Well-Known Member

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    Ome, Sqeak free dakars, arms, skids, sliders.
    Every one of mi e mine will run without a battery in place. Except my Tacoma which I say because I haven't tried or had a reason to. But I imagine it will also.
     
  14. Jan 29, 2016 at 7:07 AM
    #14
    NeedmoreTaco

    NeedmoreTaco Garage full of white Toys...

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    It'll run off of just the alternator but it's a very bad idea. My understanding is that the battery provides an input to the voltage regulator and without that input the voltage regulator may not function properly possibly damaging any or all of the electronics on the car. Would it work sometimes, sure. But can it also cause damage, definitely. Now on an older car without all of the electronics and computers it's perfectly okay to do and it'll run all day long as long as you don't draw more amps than the alternator can provide.
     
    Bluegrass Taco [OP] likes this.
  15. Jan 29, 2016 at 7:12 AM
    #15
    stbear

    stbear Well-Known Member

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    Won't loose oil change and why would you not replace a 5 year old battery especially on someone else's dime. 5 years is pushing it.
     
  16. Jan 29, 2016 at 7:17 AM
    #16
    Pigpen

    Pigpen My truck is never clean

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    Vehicle:
    2012 AC Manual 4.0 4x4 Base Model
    Access cab toolbox/ dog bed with seats and headrests deleted, waterproof TRD seat covers, yellow wire mod, diff breather relocated to tail light, engine block heater, Leer topper with Yakima tracks and rack, Yakima rack on cab, Ride Rite with Daystar cradles, CBI hidden front hitch, wired for winch front and rear Warn quick connect, Warn x8000i on external carrier, sway bar delete, trailer plug relocated to bumper, Pelfreybilt IFS and Mid skids, ECGS front diff bushing, ARB CKMA12 compressor, 255/85/16 Toyo M55 load E tires on stock steel rims, Up2NoGood heated mirror kit, Husky X-act Contour front floor liners, Northstar AGM 27F battery, Pelfreybilt bolt on sliders with kickout and top plates, TRD Pro headlights, Depo smoked tail lights, Energy suspension body mount bushing kit, Cobra 75WXST cb with rear mounted Wilson 3' antenna on Shmellmopwho mount, OME Dakar leaf packs with AAL, Billstein B110 rear shocks, 5100s with 885 coils and 1/4" spacers, SPC LR UCAs, 2wd low range mod
    I've popped the clutch to start and run vehicles with dead a dead battery many times over the years, but they always had a battery in them. I guess I always thought the battery needed to be there...
     
  17. Jan 29, 2016 at 7:17 AM
    #17
    Bluegrass Taco

    Bluegrass Taco [OP] Politically incorrect low tech redneck

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    Bill
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    That's my contention.....The current battery MIGHT last 20 years.....Or it might go next week. Law of averages says it won't last a lot longer. Battery sales rep has offered to give me a new Optima OR a new Exide (obviously hoping to influence my future purchases) I'm seeing win/win.... (
     
  18. Jan 29, 2016 at 7:17 AM
    #18
    TacomaMike37

    TacomaMike37 Well-Known Member

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    This probably isn't the best idea. Maybe old school and things have changed but doesn't your battery provide more then just electricity, pretty sure it protects electronics against shorts and acts a ground. Think you are rolling the dice by allowing the truck to run. I'm not sure if its a yes or no answer, but I would play it safe and change with the truck off.
     
  19. Jan 29, 2016 at 7:20 AM
    #19
    NeedmoreTaco

    NeedmoreTaco Garage full of white Toys...

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    My thoughts exactly. That's not old school, the more electronics the more you need that battery in there.
     
    Bluegrass Taco [OP] likes this.
  20. Jan 29, 2016 at 7:20 AM
    #20
    Bluegrass Taco

    Bluegrass Taco [OP] Politically incorrect low tech redneck

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    It's been a few years, but I (literally) exploded an alternator on a farm tractor when I tried to swap batteries with it running. I took out the old battery and when I went to connect the new one, I got a giant blue flash from the alternator, all the smoke escaped, and it became well done toast. Not saying that'll happen on the Toyota.....Just saying I won't take that chance.
     

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