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My 510 is dead, electrically speaking


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I need help! I have no power coming off the battery. The battery reads 12.56volts but nothing seems to be going anywhere else. It started with a no start at the market. My girl jump started me and I got home no problem. Found that the battery was dead. Replaced it. Still nothing. Started looking around and found a fried ground wire from the alternator to the voltage regulator body mount bolt. replaced the wire and still nothing. Anyone?

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First... stop replacing things. Battery was likely fine now you have a new one you don't need. Find the problem by solving the clues.

 

Do the headlights work? If NOT...

 

There is a fusible link connecting from the starter positive lug to both the ignition switch and the fuse box directly. If headlights are non working this fusible link is likely blown.

 

Another possibility is the ground from the battery to the body, likely the one you found on the voltage regulator.

 

 

A good tool for troubleshooting is a $5 test lamp... it can 'see' invisible electricity.

 

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Sometimes new bat cables are needed. I had a - batt cable go bad. This will happen under load like when starting. the ends maybe be dirty or cracked.

 

I would pull the alt and have it load tested.fix the blk wire to volt reg and ck the fuses also. this isbasic stuff that may or maybe not related to your proplem but I ck everything.

 

as mike said power will feed to the fuse box via the fuasable link(round lug on starter) which is just a colored wire design to melt if overloaded.

 

mybe good to get a spare volt reg also.

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To find, follow or check for 12 volts, (battery) connect the alligator clip to any ground. Touch the probe end to any bare wire or terminal. If there is power present the lamp will light.

 

Try the battery terminals to check the battery has power. If the lamp lights this is good. Now try the starter lug wher the positive battery cable connects... it should light.

 

Connected to the starter lug with the battery cable should be a fusible link wire, probably Red. You should have power on either end. If it looks melted or is missing it's likely blown just like a fuse.

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The battery is charged to 12.58 volts. Checking the starter with the test light as you explained, it does not light up. The red, fusible link coming off the starter lug is in tact and connected to a white/black wire that appears to the fuse box.

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If no power to the starter then it can't go any farther can it? I assumed you would have cleaned the battery terminals and made sure they are clean and tight. Do both as a circuit also includes the negative side. The negative cable bolts to the head just behind the fuel pump.

 

 

 

 

Did you test across the battery cables on the battery? This would tell you that the cables and posts need cleaning.

 

To find, follow or check for 12 volts, (battery) connect the alligator clip to any ground. Touch the probe end to any bare wire or terminal. If there is power present the lamp will light.

 

Try the battery terminals to check the battery has power. If the lamp lights this is good. Now try the starter lug where the positive battery cable connects... it should light.

 

Connected to the starter lug with the battery cable should be a fusible link wire, probably Red. You should have power on either end. If it looks melted or is missing it's likely blown just like a fuse.

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  • 4 weeks later...

Finally tested the battery cables. With the cables hooked to the battery and the other ends not bolted to anything, my voltage meter says there is 12.49 volts flowing through the battery/cables. Did the same test with the light, the light did not light up.

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How did you "clean" the terminals? I always use a fine piece of sandpaper to clean the battery poles, and a round wire brush to clean the battery cable terminals, the wiring on 510 are among the simplest to trouble shoot (as long as it hasn't been molested) it'll be something very simple.

 

YouTube has very detailed tutorials if you don't understand what we're talking about.

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