1. #1
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    Default 5 Cables... One Battery

    "Engine 4, Med 3, Battalion 1, ...MVA with Rollover, (location), Occupant reported trapped inside vehicle. OnStar notification with no response back from vehicle."

    This was the dispatch for a rollover incident this week with two unusual twists. One of two vehicles involved, a 2003 GMC Envoy SUV, had rolled and was found on its wheels, across the lanes of traffic. The lone driver was in fact still inside and actually only injured slightly. The driver's door was jammed.

    One interesting aspect was that the Envoy's OnStar communication system had activated without any airbag deployment and not because of any actions taken by the driver. I thought frontal airbags had to go off before that system called Detroit.

    A second twist to this incident was the Envoy's battery. Located in the left front corner of the engine compartment, it had five(5) separate battery cables; three HOT cables and two separate GROUND cables. We started cutting cables then gave up and unbolted the two battery terminals. Five is the most I had ever seen for one vehicle with one battery and only a single Hot terminal and a single Ground terminal.

    Here's the damaged Envoy just before the tow truck hooked up to it.
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    Ron Moore, Forum Moderator
    www.universityofextrication.com

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    The Envoy's battery was in the left front corner of the engine compartment under the hood(that's Bonnet to those of you from across the Pond!)
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    Ron Moore, Forum Moderator
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    That's a lot of cables...........

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    it might be hard to see in this image but there are three HOT cables and two NEGATIVE cables originally connected to the battery.

    Go to a GMC dealership and take a look at this and then make sure your troops are aware of this relatively unusual new twist to battery cable design. That's more than I ever expected!!
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    Ron Moore, Forum Moderator
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