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Old 09-18-2020, 10:12 AM   #1
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454 engine won't start

1996 Fleetwood Storm 454. Turned key to start. Dash gage showed dead short. (dumb me) Turned the key again. Now the key does nothing when turned. I can't find a fusible link or a fuse. Any ideas?
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Old 09-18-2020, 10:18 AM   #2
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How did you determine the gage had a dead short? Are you sure the battery isn’t totally discharged?
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Old 09-18-2020, 10:36 AM   #3
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"Dash gage showed dead short."

I'm not sure what you mean...

Have you measures the voltage at your engine battery?
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Old 09-18-2020, 10:47 AM   #4
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If it has one, the fusible link is at the starter.......
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Old 09-18-2020, 12:08 PM   #5
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Quote:
Originally Posted by Arch Hoagland View Post
"Dash gage showed dead short."

I'm not sure what you mean...

Have you measures the voltage at your engine battery?
Starter battery and the 2 house batteries are all brand new. I replaced all 3.
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Old 09-18-2020, 12:11 PM   #6
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I just replaced all batteries.
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Old 09-18-2020, 12:11 PM   #7
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Starter battery and the 2 house batteries are all brand new. I replaced all 3.
Did the problem start before or after you replaced the batteries?
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Old 09-18-2020, 12:20 PM   #8
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If you don’t already have a multi meter it would be a good investment. A cheap one can be had from harbor freight. I would start by taking voltage measurements starting at the chassis battery. Hopefully you have a wiring diagram of your coach. Don’t overlook a faulty ground cable from your battery.
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Old 09-18-2020, 02:56 PM   #9
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I had something similar. In our 98 Georgie Boy it has the 454 but there is a fuse in the normal control panel that enables the starter if I remember correctly.
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Old 09-18-2020, 03:02 PM   #10
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Are the batteries connected properly ? Check the ground cables . Does anything happen when you press the boost switch . The fuseable link is connected to the battery terminal of the starter solenoid and that wire will go to a junction block on the engine or the firewall. That is also another connection that can give you trouble.
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Old 09-18-2020, 06:15 PM   #11
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Uh oh. I assume by “dead short” you mean the batteries were hooked up backwards? IE. Positive battery cable to negative battery post and negative battery cable to positive battery post.

If so, you may have damaged a number of electronic components such as the alternator, radio, engine computer, transmission computer, ignition module and pickup, etcetera. Hopefully none of this happened, but it is highly likely.
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Old 09-18-2020, 06:24 PM   #12
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Should have reverse polarity fuses in case that were to happen...
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Old 09-18-2020, 07:28 PM   #13
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Should have reverse polarity fuses in case that were to happen...
The only place I'v seen reverse polarity fuses is in a converter/charger.

The rest of the stuff burns up, If you get past the cables acting like a welder.
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Old 09-19-2020, 10:28 AM   #14
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Quote:
Originally Posted by Tileman View Post
1996 Fleetwood Storm 454. Turned key to start. Dash gage showed dead short. (dumb me) Turned the key again. Now the key does nothing when turned. I can't find a fusible link or a fuse. Any ideas?
I'm still trying to figure out what EXACTLY that statement means. "Dead short" hmmmmm. Did the gauge go up in smoke? Flames? Drooping needles from heat? What?

Sort of kidding aside, can you explain what you saw when you say "dead short"? First off, has ANYONE done ANY work on the coach recently? If so, who? If you than, what did you do/repair/alter/mod/ etc.? If no one's worked on it recently, then when was the last time you drove the coach and, did all systems, including the engine starting and running, work OK? Any intermittent issues?

If it was a long time ago that the coach was ran, say, months, where was/is it parked? Meaning, are there possibilities that rodents have some dinners and lunches from your wiring? If your coach/engine was and has been, operating perfectly, without any form of issues, up to this point, then incorrect battery cable placement is NOT AN OPTION. Cables don't reverse themselves on the posts by themselves. At least not that I know of.

Now, can wires *etch* and chafe which, could cause shorts, sure they can. Is this your potential issue, not a clue. Could a wire have vibrated off an appliance (solenoid, connector etc.) and was ignition hot so, when you turned on the key that wire, if touching a ground, might be a source of your problem but, highly unlikely. It will be interesting to find out what your issue is.
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