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Old 01-16-2010, 05:51 AM
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Any idea???

Hiu. I have a 96 Blazer. I have a weird problem with it. It is cold here, but I don't really know if it matters or not. I can go to start it, and turn the key, and nothing. I have a new battery in it. There is still alot of power in it. The dome light shines bright. I can wait a while, and it starts right up. I went to the shop. They went over it, and said it is clear. They kept it for 2 days and never had a problem with it. I thought maybe a neutral safety switch, but found out that there isn't one. I am thinkinging now of something where there might be points somewhere that are sticking.. I just put in a new Interstate battery about a month ago. I did notice that when i installed the battery that after I put the cable on the positive. I put the cable on the negitive and it sparked. Something is drawing power. They only thing that I installed on it is a new radio, but it was a optionoem for the 96. It was just a plug and play. The draw would be the memory. The only other thing is a trailor conection. They checked that out and it looked fine.. Any idea as what the heck this could be?? Oh, and when you turn the key and nothing happens.. I put on the battery charger, and it will start right up.. Al

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Old 01-16-2010, 07:09 AM
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Sounds like a bad solinoid. Have you checked the wires?
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Old 01-16-2010, 11:14 AM
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It would serve you better to post in the right forum.

Anyways, you said you installed a new radio. Check your fuse box under the hood and locate a red 5 amp fuse. These fuses some time blow during a new radio installation. Been there.
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Old 01-16-2010, 02:17 PM
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Sorry.. Figured that out after I posted.. Didn't know how to move it..

The radio I installed is for the 96 Blazer. I went from the cassette to the single CD player. Just a matter of plug and play. If the fuse under the hood was bad.. Wouldn't the radio not work?? Radio works just fine. The shop hooked up two different machines to the system. Everything checked out. Still something is drawing.. Would there be that big a spark just from the radio memory, and clock??
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Old 01-16-2010, 03:17 PM
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Yes, what happens is something sparks, I have no idea what or why, and blows that fuse. The radio would still work, that's what took me so long to figure it out the first time it happened. You may loose other funtions too but the radio will work.
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Old 01-16-2010, 05:26 PM
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Would that make it so that it wouldn't start every once and awhile?? Last week it did it. It wouldn't turn over. I let it sit for a day, and it turned right over.. That is what is weird. When you turn the key to start. It does nothing. Not even a click.. Al
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Old 01-16-2010, 05:37 PM
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No, obviously something else is wrong. You said you replaced the battery. recheck the wires particularly the smaller wires if they are separated from the harness to make sure you didn't accidentally cross one. You're getting a draw someplace. While your at make sure all connections are clean and you may want to check your alternator output if you haven't done that already.
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Old 01-16-2010, 06:00 PM
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The radio was replaced 3 years ago. I never had a problem with it until last year. It happened one time. This year more times. I have tried the battery after I unpluged the radio. It still sparks. Like I said. The shop ran it on two different machines trying to find the short. Nothing went wrong with it. This is just weird. Al
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Old 01-16-2010, 06:28 PM
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Now you tell me! Now you tell me! Radio was replaced three years ago and just recently, this started happening. Now you tell me!

Beauford, Iím trying to help you out here, help me by not holding back information.

You may have a bad battery or a bad alternator. Have them checked and replaced if necessary.
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Old 01-16-2010, 06:35 PM
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I would check the connections at the battery. Maybe it is not the charger that is helping but the fact that you are moving the cables. Most of those have sise mount batteries with multiple connections on the positive post under the rubber cable head.
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Old 01-16-2010, 06:58 PM
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Alt is fine. Battery is fine. Battery is new. Only about a month old. Alt. was checked by the shop. Came back just fine. Cables are down tight. It is like some sort of relay was stuck shut. Like with the old Voltage regulators. You could give the case a whack with a screwdriver handle, and the points would pop free. The thing that is weird is when you go to start it and turn the key and nothing. Then 1/2hr later. It starts right up. Doesn't seem to do it at all in the summer, or when the weather is nice. Only in the winter. Al
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Old 01-16-2010, 07:03 PM
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Check starter solenoid wires. Could be corroded or loose. May have a bad solenoid.
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Old 01-16-2010, 07:12 PM
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If it is the solenoid. Can I just change that?? In the old days when the solenoid wasn't working . You could just flip the little copper wheel over and put it back together and it worked just fine. I will check the wires in the morning.. Al
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Old 01-16-2010, 07:18 PM
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I would like to say, yes, but with offshore manufacturing it's more economical to replace both as one will definitely fail shortly after the other.
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Old 01-16-2010, 07:25 PM
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Had this same problem with my 99 Chevy truck and it was the solenoid. Unfortunately, you can't just get the solenoid for that starter, so I had to buy the whole thing. It did fix the problem, however.
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