Question about 1995-1997 Yukon Ignition Starter Alarm Switch

3 Answers

97 Yukon Kills Batteries!!!

Have had it to the auto electric folks twice, looked at tons of forums, stil can'y find the drain that seems only to occur when I turn my back for a week or so. Have made sure that the lights go off, glove box light switch was on once, so I added material to the shutoff post to make sure it went off when closed. The vehicle has remote start............once last summer I used the remote start, and when I tried to stop the vehicle, it would not die, even when I removed the keys completely. I had to remove the starter or fuel pump relay to kill the engine, and then replace it. I think that the battery drain problem happened following this event, but am not real sure. Last winter when the remote stert was used when the car was fully warm, the starter motor would keep turning after the engine started, and would run for about 15 seconds before finally stopping. Do I need a new starter, new fuel pump relay, NEW TRUCK...!!!

Any help greatly appreciated, I have killed 4 batteries and noe have to keep a charger on it all the time..........

Kind Regards

Posted by on

  • andyne50 Nov 13, 2008

    It won't happen overnight. The automatic charger only kicks on once in a while, as I have it under the hood, and connected to the battery. most of the time it reads "full". I measured the resting current the other day and I think it was around 30 ma.

    If I leave it for a week or more it will usually be dead.

    Is it possible that a faulty starter can have a current "leak"?

    Is it possible that I damaged the fuel pump relay by removing it when the vehicle was running?

    I will consider having the remote start removed, but would like to keep it if possible, it's cold here in the winter.

    Would a switch be a good thing to put on the battery, so I could remove all power from the vehicle at rest?

    Would that be harmful to the truck iin any way?

  • andyne50 Nov 16, 2008

    Thank you Paul...........

    Best regards



3 Answers

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lets not just guess at this problem lets do some testing like the pro's
you will need a test light
you will need to have a fully charged battery
you need to disconnect the battery negitive
and use your test light to connect the neg cable to the batt.
now if you have a drain on your battery your test light will light.
now with this test light on we need to find the circuit that is causing your drain.
what i do first is to pull fuses untill the light goes off.
and then you know the circuit with the problem
once you know what curcuit is the problem let us know and we can help you further.
good luck
and remember a good mechanic will find the problem and replace the problem part
NOT replace parts hoping to fix the problem.
that is why we are here to help.
good luck and let me know how this works for you.
later paul

Posted on Nov 15, 2008

  • paul erickson
    paul erickson Nov 16, 2008

    how did you turn out with your battery drain?

    and about you switch on the battery.

    this isnt a good idea for the reason that you loose the memory.

    not only is this a pain in the **** for radio stations but the engine computer has to relaearn the many of its settings .

    when your done could you please rate my solution




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From description, it looks like a faulty ignition coil.

Posted on Nov 13, 2008

  • Ginko
    Ginko Nov 13, 2008

    With all respect, I still think you need to replace the ignition cylinder, a short in the ignition cylinder can also drain the battery.

    See one on several testimonials here: Car Repair > 1999 gmc yukon, ignition switch will not turn,why ...

    Fuel pump and starter motor should be fine, have the ignition wirings tested, and eventually replace the ignition cylinder.


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This is an aftermarket remote start system? my advice would be to remove this and see what happens

Posted on Nov 13, 2008

  • TripleTauto
    TripleTauto Nov 13, 2008

    and it only goes dead after a week or now will go dead overnight?

  • TripleTauto
    TripleTauto Nov 14, 2008

    I have never seen a starter cause a drain. The fact that the remote start has given trouble before would make it the most likely suspect.Installing a battery disconnect would not harm the truck you would just have the aggrevation of clock and stuff resetting. there is also something called a battery saver that will cut off power if it sees too much drain on it. A lot of conversion vans have them with all the extra addons. One option would be to install a switch on the power supply to remote start system so you could cut off when not in use if this stops the drain issue then you will no it is this and can have system replaced


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