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Old 05-22-2013, 08:38 PM
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84 chevy truck, good battery but wont start?

Truck stop turning on but the battery shows to be good. What would be the next thing to check? I have a volt meter inside the truck hooked to the fuse block that shows dead. I also have a hand held volt meter hooked to the battery under hood. When I turn the key to turn the truck on the volt meter in the truck goes dead and the one under the hood shows 13 volts and light go out. Autozone says battery is good after testing but bought another to see if it works.

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Old 05-22-2013, 08:55 PM
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There is fuseable link that protects the constant sources in the fuse box. Did you ground out the positive wire and break the fuseable link?

Will the engine turn over crank with a bypass momentary hooked to the solenoid under the hood?

If the battery is good do not buy another.
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Old 05-22-2013, 11:38 PM
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where is the fusible link if you dont mind? I was listening to the radio and went to turn the truck on ,daily driver, and nothing. The interior light was on , the gauges came on and when I turned the key to turn it on the gauges went dead but interior light never went dim. Now I have the battery hooked up and not even the interior lights come on any more. Nothing works. Battery is good.
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Old 05-23-2013, 12:56 AM
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Poor battery connections or bad ground. Check and make sure the battery (-) cable is connected to the engine and that there is a ground wire from the engine to the frame and the body.
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Old 05-23-2013, 04:47 AM
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So now it is... 84 chevy truck , good battery but cant listen to the radio? Please use maximum verbosity when describing your problem.

I agree with s10, that will cause a interrupt in the circuit. You need a ground. To quickly diagnose this use a jumper cable taken from - battery terminal to engine bolt. You will have a temp patent ground. You should have discovered any fault at the terminals when you tried the new battery on connection. Keep them clean and tight.

The ignition key cylinder can also cause this.

The fuse link is usually on the firewall in between the battery and bulkhead.

This could sound silly, but Fonzie it. If it is a loose cable , or corrosion in the wiring , wiggling the effected harness will bring it to life.

You mentioned the dvom had no V at the fusebox, but light was on. That can be hinting at which circuit has the fault.

Do you have a manual? You are lucky I do and will link a fusebox cicuit pic. If the circuit labeled C is dead, and it is not the battery / battery cables, check the fuseable link.
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Last edited by spinn; 05-23-2013 at 04:57 AM.
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Old 05-23-2013, 08:36 AM
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Quote:
Originally Posted by S10 Racer View Post
Poor battery connections or bad ground. Check and make sure the battery (-) cable is connected to the engine and that there is a ground wire from the engine to the frame and the body.
Battery connections are new. I will check them again though. I do have 12.5 volts at the starter when I checked it with the volt meter.
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Old 05-23-2013, 08:42 AM
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Originally Posted by spinn View Post
So now it is... 84 chevy truck , good battery but cant listen to the radio? Please use maximum verbosity when describing your problem.

I agree with s10, that will cause a interrupt in the circuit. You need a ground. To quickly diagnose this use a jumper cable taken from - battery terminal to engine bolt. You will have a temp patent ground. You should have discovered any fault at the terminals when you tried the new battery on connection. Keep them clean and tight.

The ignition key cylinder can also cause this.

The fuse link is usually on the firewall in between the battery and bulkhead.

This could sound silly, but Fonzie it. If it is a loose cable , or corrosion in the wiring , wiggling the effected harness will bring it to life.

You mentioned the dvom had no V at the fusebox, but light was on. That can be hinting at which circuit has the fault.

Do you have a manual? You are lucky I do and will link a fusebox cicuit pic. If the circuit labeled C is dead, and it is not the battery / battery cables, check the fuseable link.
No, its 84 chevy truck, new battery but cant listen to radio, now instrument cluster is dead, wont start, cant get to work. The battery show 12.5 volts, voltage at starter shows 12.5 , fuse block shows 0 voltage.

I am going to check the other things you said but I am leaning towards the ignition cylinder also seems to be sticking and does not want to return to the off position now. I did drop the steering column and put on a new ignition switch and manual push the switch into the on position but nothing.

Last edited by Catfish11; 05-23-2013 at 09:10 AM.
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Old 05-23-2013, 09:17 AM
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You need to get to work. Hot wire it. Bring a positive to...wait, can I instruct how to hotwire here?
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Old 05-23-2013, 09:18 AM
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Sounds like the fusbile link...see the last item here...
Chevy & GMC Truck Buildup Tech Tips - Offroad Trucks - Four Wheeler Magazine
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Old 05-23-2013, 09:24 AM
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Voltage at the starter, and it does not crank?

You applied voltage directly to the starter and it did not crank correct?
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Old 05-23-2013, 09:28 AM
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Originally Posted by spinn View Post
Voltage at the starter, and it does not crank?

You applied voltage directly to the starter and it did not crank correct?
I just did that and it does not crank and the button with wires I used to bump it get hot fast. I makes a noise but just BARELY moves, did not move the motor. Battery at 12.5
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Old 05-23-2013, 09:43 AM
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If you brought power directly to the starter terminal and it did not crank , the starter is bad( or engine seized which I doubt). It sounds like you have a number of possible issues.
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Old 05-23-2013, 10:05 AM
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Originally Posted by spinn View Post
If you brought power directly to the starter terminal and it did not crank , the starter is bad( or engine seized which I doubt). It sounds like you have a number of possible issues.
OK, getting closer. Got a starter on the way. I was looking to the fusible link at starter then smoke started to come out of the solenoid and the blower motor in the cab turned on on high which had stop working last night. Looks like problem is at starter. going to replace and let you know what happens.
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Old 05-23-2013, 10:15 AM
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Cool. Verify the wiring too . Check the harness that runs along the passenger side of the engine by the starter and blower motor. The insulation on the wires can melt from load or contact to heat. Then you get all sorts of cross shorts. Good luck with it.

It is weird , some new modern cars have a radio code anti-theft that can prevent them from starting. When I hear that comment it makes me think.
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Old 05-23-2013, 12:29 PM
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Looks like a weak connection at the starter. Its cranking now. Not the main power wire but a smaller power wire that attaches to the same main lug at starter. When I checked it for continuity the buzzer would go off and on. I gave it a little tug and it fell off. Thanks for the help
Edit: did not work. It cranked up but is missing real bad and some smoke started to come out from under the dash. Volt meter on dash was passed 18 volts.

Last edited by Catfish11; 05-23-2013 at 12:35 PM.
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