10-08-2019, 04:32 PM
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#1
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Ultragauge Killing 12V battery
So I just installed an Ultragauge em1.2 last week, and immediately noticed issues with the vehicle starting, I would turn the ignition and just get a relay click and nothing else.
This weekend I left it plugged in and checked the battery before going inside, it was at 12.6v. In the morning the battery was at 1.3v.
Has anyone had any experiences with this?
I like the gauge but this is pretty annoying.
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97 5spd with elocker
Build Thread https://www.toyota-4runner.org/3rd-g...st-bucket.html
2 inch Lift (Bilstein 5100 F&R, 99 Talls F, OME R), 33 Inch Tires
Rebuilt Engine, Doug Thorley Headers, Gibson Catback
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10-08-2019, 05:38 PM
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#2
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Senior Member
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I've never had a problem with mine draining my battery. I've let it sit for a week between startups with it plugged in. It's possible I guess, but I would test your battery first.
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10-08-2019, 05:44 PM
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#3
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Senior Member
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Agreed on checking your battery. Also, you might find this helpful:
Battery drain (concerns about)
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2000 Limited, E-locker
Maintenance/Build Thread
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10-08-2019, 05:47 PM
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#4
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Elite Member
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Join Date: Oct 2014
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Is it somehow wired to a hot 12V source instead of a switched 12V off the ignition? I'm not familiar with how to use one but just a thought.
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10-08-2019, 06:01 PM
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#5
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The Ultragauge is supposed to go to into a sleep mode with the ignition off, using only a miniscule amount of energy.
So unless your Ultragauge is a dud, the problem is likely to be elsewhere. Does the UG display stay on when the ignition is off?
You can unplug the UG and see if the problem goes away, in which case it's probably the UG. I'd be really surprised, but it's possible.
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1997 4Runner Limited 4WD E-Locker ~200k | Falken Wildpeak A/T3W 265/75/16 | Pro Comp 69 16x8 | OME 2906 | B&M 70264
Addicted Offroad Front Bumper | Spiker Engineering High-Lift Hood Struts and Ultragauge Mount
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10-08-2019, 06:34 PM
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#6
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Mine has been installed for 5 years. Often sits for 2-3 weeks and does not affect starting.
There are user programmable settings for what turns the UG on and off. If yours is staying on I suggest you take a look at these, I believe I changed it from the default. The display should blank off a couple of seconds after shutting down the engine.
Mine turns on based on battery voltage (above 14v or something as in alternator running) and turns off when communication with the ECU is lost. That seems to work OK.
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-1996 4Runner. 3RZ 5-Spd. 4x4 Base model. OME2906/Toyota OEM rears with 2004 Tacoma Dual Rate Fronts on Bilstien 4600s.
-1993 Corolla Wagon 7AFE
-2001 Echo D.D.
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10-08-2019, 08:20 PM
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#7
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Are you sure your battery is good?
It probably isn't anymore if it got to 1.3 volts.
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2000 4runner 4wd Auto V6 - Tru-Cool LPD4454 trans cooler in series
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1990 4runner 4wd Auto V6
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10-08-2019, 08:40 PM
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#8
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So the battery is only about 2 months old, and will hold voltage for weeks when the gauge is not plugged in. And the gauge is going into sleep mode when I key off.
I've reached out to the company to see if they have any ideas. I'm thinking either I have a one off issue in my gauge or at some point maybe a previous owner did something janky with the vehicles wiring.
Sent from my moto g(6) using Tapatalk
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97 5spd with elocker
Build Thread https://www.toyota-4runner.org/3rd-g...st-bucket.html
2 inch Lift (Bilstein 5100 F&R, 99 Talls F, OME R), 33 Inch Tires
Rebuilt Engine, Doug Thorley Headers, Gibson Catback
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10-08-2019, 09:47 PM
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#9
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official vendor
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official vendor
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Have you tried unplugging the UltraGauge to see if anything changes? I have these in 3 vehicles, and have never seen this happen. You have a drain somewhere, but I doubt it's the UltraGauge.
Mike
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10-08-2019, 11:41 PM
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#10
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Quote:
Originally Posted by MStudt
Have you tried unplugging the UltraGauge to see if anything changes? I have these in 3 vehicles, and have never seen this happen. You have a drain somewhere, but I doubt it's the UltraGauge.
Mike
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Yeah, and all my issues go away as soon as I unplug it, I dont have the issue with it not starting, and the battery will last overnight.
Im not certain it is the ultragauge's fault, but there is something in how it is interacting with the vehicle.
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97 5spd with elocker
Build Thread https://www.toyota-4runner.org/3rd-g...st-bucket.html
2 inch Lift (Bilstein 5100 F&R, 99 Talls F, OME R), 33 Inch Tires
Rebuilt Engine, Doug Thorley Headers, Gibson Catback
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10-09-2019, 12:22 AM
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#11
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Quote:
Originally Posted by DreadPirateJon
Yeah, and all my issues go away as soon as I unplug it, I dont have the issue with it not starting, and the battery will last overnight.
Im not certain it is the ultragauge's fault, but there is something in how it is interacting with the vehicle.
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Sure sounds like you traced it down to the UG, no matter how odd. I think it the UG goes into the power saving mode, which it seems to do, then something must be wrong inside the UG. I don't think the OBD connector can "force" current into the UG unless the UG is "pulling" it by being active?
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1997 4Runner Limited 4WD E-Locker ~200k | Falken Wildpeak A/T3W 265/75/16 | Pro Comp 69 16x8 | OME 2906 | B&M 70264
Addicted Offroad Front Bumper | Spiker Engineering High-Lift Hood Struts and Ultragauge Mount
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10-09-2019, 12:25 AM
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#12
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Quote:
Originally Posted by DreadPirateJon
Im not certain it is the ultragauge's fault, but there is something in how it is interacting with the vehicle.
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This could be it.
Take a look in the protocol settings, take a look at how it determines on and off. The manual is pretty good. I can't tell you exactly how to set it up, I did mine 5 years ago but I seem to remember some info in there about battery draining because things aren't going to sleep correctly.
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-1996 4Runner. 3RZ 5-Spd. 4x4 Base model. OME2906/Toyota OEM rears with 2004 Tacoma Dual Rate Fronts on Bilstien 4600s.
-1993 Corolla Wagon 7AFE
-2001 Echo D.D.
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10-09-2019, 12:34 AM
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#13
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Senior Member
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Join Date: Nov 2017
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Some info on this here - Battery drain (concerns about)
And this, though it does not apply to EM 1.2 - Vehicle specific Battery Drain
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1997 4Runner Limited 4WD E-Locker ~200k | Falken Wildpeak A/T3W 265/75/16 | Pro Comp 69 16x8 | OME 2906 | B&M 70264
Addicted Offroad Front Bumper | Spiker Engineering High-Lift Hood Struts and Ultragauge Mount
Last edited by 4Runner4Leon; 10-09-2019 at 12:36 AM.
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10-09-2019, 06:23 AM
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#14
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It would have to be one he77 of a drain to kill battery overnight! Is the thing hot?
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10-09-2019, 10:51 AM
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#15
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Quote:
Originally Posted by The Cold War Kid
It would have to be one he77 of a drain to kill battery overnight! Is the thing hot?
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I am wondering if it is keeping some other CPUs awake on the CAN bus. Once I have the time after I fix my mistakes in the engine, Ill plug into the bus and try to figure out whats going on.
Being such an old OBDII vehicle with some older OBD parts still on it, im not exactly sure how much info ill be able to get out of the bus.
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97 5spd with elocker
Build Thread https://www.toyota-4runner.org/3rd-g...st-bucket.html
2 inch Lift (Bilstein 5100 F&R, 99 Talls F, OME R), 33 Inch Tires
Rebuilt Engine, Doug Thorley Headers, Gibson Catback
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