Question about 1989 GMC Sierra

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Starting problems i just bought a 1989 sierra, when i went to pick up the truck the guy told me to bring a battery to start the truck.anyway the battery that i brought with me didnt start the truck (AND THE BATTERY WAS FULLY CHARGED).. we ended up jumping the truck with my wifes car ,that didnt work. so finally the guy told us to jump the truck ,with the car and a battery charger and the truck started my dump *** just thought maybe the battery was weak..anyway the nexy day the truck wouldnt start.i took the battery out to charge and instead of charging the battery i put it into my other truck and it started my other truck make a long story short it still doesnt start my gmc truck..when cranking over it sounds like the battery is will start sometimes but only when it wants

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  • bigwrenches1 May 11, 2010

    how many miles? have you had the timing checked? is the truck loosing coolant? do you smell any funny smells while trying to start the truck?how do the battery cables look internally? are they green or white inside the insulation if you peel some of it back?



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Sounds like the starter is physically loose or going bad and draging.

Posted on May 15, 2009

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If the "dead battery" worked in a different vehicle, then you should look at bad connections at the starter or even the starter itself. There is a lock washer used to connect the battery cable to the starter. If this washer has corroded, it can cause what you describe. Moe

Posted on May 15, 2009

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Check return fuel lines and starter

Posted on May 15, 2009

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