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    Worse than expected MPG

    The truck is an 87 GMC Suburban 1/2 Ton with a 4 inch suspension lift, 35 inch bfg at ko2s and 3.73 rear end. 350tbi engine and 700r4 transmission 4WD. Right now I’m averaging 8-9 MPG on about 80% highway driving, usually cruising around 55-60. I don’t have any crazy weight in the truck either...
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    Anyone know where the ground is for a radio unit?

    My radio stopped working and I've trouble shot everything I can to figure out why. My only guesses are the unit went bad or I have a bad ground I can't find
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    Electronics are dropping like flies!

    I'd had problems with battery going low before and now it gets plugged in every night so I doubt that's the problem
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    Electronics are dropping like flies!

    In the past month alone I've had my radio die, fuel, temp, and volt gauges go out, dome lights stop working, and the sound the truck makes when the lights are on and the truck is off is constantly going any time the lights are on. Plus my anytime my ac is on at a light the truck dies. Any...
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    Sputters hitting 3rd gear

    Every time the truck is either at the top of 2nd or hittin 3rd the truck will sputter. It feels similar to the problem I had with my fuel pump going bad, but that was only when I accelerated. It seems to be worse going up or down hill so I think it might be injection issues. Truck is an 87...
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    Truck isn't starting after a new starter

    Wouldn't trying to jumpstart it, start the truck in that case
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    Truck isn't starting after a new starter

    Truck has been starting great after new parts (battery, alternator, fuel pump, and starter). Just the other day drove to the grocery store came back to the truck and it wouldn't start. It was making short clicking sounds and wouldn't turn over. Tried a jump and nothing changed. Headlights and...

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