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HELP!! Truck won't start.

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Old Sep 29, 2004 | 10:15 AM
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Exclamation HELP!! Truck won't start.

I have a 1979 bronco with 400. It won't start with the cluster hooked up. When I take the cluster off, nothing happens. would it have to do with the IVR (in-dash voltage regulator)?
 
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Old Sep 29, 2004 | 04:08 PM
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do you have spark, fuel.
 
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Old Sep 29, 2004 | 04:51 PM
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Need more info. Could it be possible that you may have disconnected the wires from the ignition switch?
 
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Old Sep 29, 2004 | 05:07 PM
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I do have spark and i do have fuel. I checked all the wiring for the ignition system and they all seem fine. the battery is reading ok too. could it be that im grounding out with the cluster. ive tried jumping the battery, and jumping the starter but nothing happens when the cluster is hooked up. when its disconnected everything works fine.
 
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Old Sep 29, 2004 | 05:10 PM
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im trying to understand what you mean by cluster? take a pic and show us if you can.
 
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Old Sep 29, 2004 | 05:13 PM
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im talking about the gauge cluster
 
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Old Sep 29, 2004 | 05:30 PM
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Does it turn over?
 
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Old Sep 30, 2004 | 07:54 AM
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It wont turn over if i hook up the gauge cluster, if i disconnect it then it'll turn over but i have no gauges then
 
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Old Sep 30, 2004 | 08:46 AM
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sounds like a short somewhere
 
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Old Sep 30, 2004 | 08:57 AM
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That's weird, it does sound like a short. Do you have a wiring diagram on your truck? That will come in real handy. Trace the wires that lead to the ignition and to the starter solenoid. By the way, do your gauges work? Lights, measuring inst.?
 
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Old Sep 30, 2004 | 09:15 AM
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when you plug the cluster in , your not plugging it in backwards are you. that may cause this issue to. and is this the stock cluster or one from another bronco
 
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Old Sep 30, 2004 | 09:30 AM
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there's only one way to plug it in and yes it is stock
 
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Old Sep 30, 2004 | 09:32 AM
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ive looked through every single diagram and went through every single wire and they all check out just fine. the truck died a week ago, but before that it ran perfect with the same gauges in it.
 
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