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  1. #1

    Post '95 K2500 Suburban 5.7L completely dead...electrical...HELP!

    Hello -

    Earlier this evening I took my 'Burb to dinner. I parked, shut it off...everything fine. I came out after dinner and it was completely dead, as in "blown fuse" dead...I had to have it towed home. I checked the fuses / relays in the D/S of the dash and engine compartment area, all seemed to be fine. Would someone be kind enough to offer up the other items I should check? It's been raining heavily the last few days here in Phoenix, and I suspect the rain might have something to do with it...any ideas?

    Thanks in advance...
    Dana Joe
    Phoenix, AZ
    HOOK 'EM HORNS!

  2. #2
    Legend

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    Start checking all your power lines. Star at the battery and follow them back. You said a lot of rain in your area, with any contaminats in the water, the water could have leeched up into power lines and started to get that nice blue/green corrosion on the wires, that stuff will rob you of starting power very quickly, or with any cracks in the insulation all the water could be getting in there too.
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

  3. #3
    Master Mechanic silverhobey's Avatar
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    yeah, I agree, sounds like ground wire/strap issue due to the excessive moisture/rain.

    Brian from Canada
    Silverado Crew.....4.8 L

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  4. #4

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    Thanks - I'm finally getting a chance to see what the problem might be right now. The rain here the last few days reminds me of when I lived in Portland...it's been crazy! Last night when I tried to start my truck after dinner, all I could think about is that I'm missing the upper inner fender "skirts" @ each front wheel area...you know, the ones you take off to get to the spark plugs a little easier? They're supposed to be there for a reason, and I'm afraid because of this, water got into something it shouldn't have. None the less, I'll report back as to what I find. Thank you again for your replies!

    - - - Updated - - -

    GENTLEMEN - I come to you a bit humbled and feeling foolish, for it was the BATTERY that was my problem. I left my headlights on. didn't bother to notice that until I was installing the new battery. I was going to replace the battery anyway; I just wish I could have done so while avoiding a $75.00 tow bill. Stubborn me though, I was CERTAIN it was something else.

    Yeah.

    ...again, thanks for all your help!

  5. #5
    Master Mechanic silverhobey's Avatar
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    dang.I hate when that happens...oh well, nothing lost I guess except
    for one's pride.....Brian

  6. #6

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    Well, your bad experience may help me out...

    I bought my 'burban with only battery, although it was originally sold with 2. The previous owner told me he removed the one battery because he didn't really need it, and it was draining the primary battery down.

    Does anyone have thoughts on this? Should I be replacing the missing battery, and if so with what? Deep cycle?
    1995 GMC K2500 Suburban aka "The Thunderbuggy" rolling along near Toronto Ontario.
    Sometimes with a sailboat behind, sometimes loaded with kids & dogs.
    Hail on CB ch. 19 if you pass through town.

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