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  1. #1

    Default 2007 Sierra won't turn over

    I parked my truck last night was running normal. This morning it will not turnover, the battery is fine, I used the starter to start it, and I heard it crank just a bit, and now it won't. When i try to start it, it just repeatedly locks the doors, anyone have any idea how to trouble shoot this?

  2. #2


    Well, it could be a bad starter; but probably a problem getting power to the starter. I'd start by cleaning the connections at the battery (do not over-tighten), if you still have the problem, check the starter relay in the fuse panel. When you find it, look at the other relays, one of them should be the same part number, swap the relays and try to start. If it starts, you need a new relay (remember to return the relay to the loaned position).

    '09 Avalanche LTZ - Black
    '05 Envoy XL (sold)

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