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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

  2. #2

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States


    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

  3. #3
    Master Mechanic silverhobey's Avatar
    Join Date
    Oct 2010
    Cobourg, Ontario, Canada
    Blog Entries


    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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