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› Blowing fuses, bike won't run, please help!
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Blowing fuses, bike won't run, please help! (Read 57 times)
toddlamp8
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Blowing fuses, bike won't run, please help!
08/28/07 at 12:19:23
So I went to go take my Savage out for a ride and I notice that nothing happened when I tried to crank it. Tried a few easy things and then moved onto the fuses. Sure enough the top fuse was blown. I replaced the fuse turned the key to on and about 3 seconds late the fuse melted. I started troubleshooting and each time I did something I insert a new fuse. Well, 7 20A fuses later, and i'm stumped. What is the top fuse on a 1986 Savage used for? How can I track this down? I didn't change anything since the last time I rode it, so I don't even know where to start!
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T Mack 1 - FSO
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Re: Blowing fuses, bike won't run, please help!
Reply #1 -
08/28/07 at 13:08:51
Didn't we just go thru blowing fuses.? ? ?
Someone had a short at where the wires go into the headlight bucket.
there's a wiring diagram in the Tech section, look in the index posting.
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Engineers design things, Technicians make them work.
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30% of being mechanical is confidence/30% is knowing to go slow when needed/30% is looking repeatedly at what you have/10% is dumb luck
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toddlamp8
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Re: Blowing fuses, bike won't run, please help!
Reply #2 -
08/28/07 at 13:22:17
The headlight was the next place to look.
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Reelthing
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Re: Blowing fuses, bike won't run, please help!
Reply #3 -
08/28/07 at 20:36:21
The circuits are a bit innertwined, but likely are going to need to chase them, however when I had one doing that - twas the turn single flasher with a dead short - your turn signal on?
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toddlamp8
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Re: Blowing fuses, bike won't run, please help!
Reply #4 -
08/28/07 at 20:39:41
I can't turn anything on because as soon as I turn the key to ON the fuse blows.
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Reelthing
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Re: Blowing fuses, bike won't run, please help!
Reply #5 -
08/28/07 at 21:01:23
just curious if the turn signal switch was already on before you turn the key
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toddlamp8
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Re: Blowing fuses, bike won't run, please help!
Reply #6 -
08/28/07 at 21:05:02
Not sure. I have tried that. I ran out of fuses
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Paladin.
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Re: Blowing fuses, bike won't run, please help!
Reply #7 -
08/28/07 at 21:15:31
Ballast Lamp --
Replace the fuse with a small 12v lamp. It will light. When you clear the short the light will go out.
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toddlamp8
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Re: Blowing fuses, bike won't run, please help!
Reply #8 -
08/28/07 at 21:19:30
That's an interesting idea. The fact that that circuit is receiving more than 20amps won't be a problem?
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Paladin.
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Re: Blowing fuses, bike won't run, please help!
Reply #9 -
08/28/07 at 22:35:54
No, the lamp acts as a current limiter -- no different than hooking it directly across a battery with a 6000 amp capability.
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SavageWahine
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Re: Blowing fuses, bike won't run, please help!
Reply #10 -
08/29/07 at 01:22:03
T Mack 1 - FSO wrote
on 12/31/69 at 16:00:08:
Didn't we just go thru blowing fuses.? ? ?
Someone had a short at where the wires go into the headlight bucket.
there's a wiring diagram in the Tech section, look in the index posting.
That was me!!!!
Actually the short was were the headlight wires got pinched between the frame and swivel part of the forks
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You take the blue pill the story ends, you wake up in your bed and believe whatever you want to believe.
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SavageWahine
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Re: Blowing fuses, bike won't run, please help!
Reply #11 -
08/29/07 at 01:24:47
Paladin. wrote
on 12/31/69 at 16:00:08:
Ballast Lamp --
Replace the fuse with a small 12v lamp. It will light. When you clear the short the light will go out.
That's a neat trick, wished I had known about that one!
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You take the blue pill the story ends, you wake up in your bed and believe whatever you want to believe.
You take the red pill, you stay in Wonderland and I show you how deep the rabbit hole goes.
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toddlamp8
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Re: Blowing fuses, bike won't run, please help!
Reply #12 -
08/29/07 at 09:17:16
But since the light would be running in series with the short that is pulling more than 20amps wouldn't that cause 20amps to run through the tiny filament of the bulb and effectively destroy it?
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Max_Morley
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Re: Blowing fuses, bike won't run, please help!
Reply #13 -
08/29/07 at 09:46:09
No because the highest resistance limits the current flow. Max
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Max at Thumper Acres. '96 Savage bagger, '03 Savage w/Cozy sidecar for wifeni.
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T Mack 1 - FSO
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Re: Blowing fuses, bike won't run, please help!
Reply #14 -
08/29/07 at 09:57:12
Max is right....the short is just like a wire to ground.
The circuit equivalent would be just like putting the light across the battery.
Oh yea.....thanks Paladin!!!
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Engineers design things, Technicians make them work.
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30% of being mechanical is confidence/30% is knowing to go slow when needed/30% is looking repeatedly at what you have/10% is dumb luck
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