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No electric Power (Read 5 times)
JDNemeth
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No electric Power
10/08/06 at 08:49:51
 
    I have a '97 Savage with no electrical power, no headlight, no tail light, no neutral light, no starter.  The battery was new this spring and seems to have good juice.  Both fuses are good.  I have checked curcuits through ignition switch and appear they are good.  I have power to the ignition switch, and going through the switch, but nothin comes on when I turn it on.  I don't hear any clicking of any type and nothing powers up.  Dead.
    Any suggestions?  I appreciate your help!
    I went back to play around a little more with it.  When I first went and turned on the key I did hear the solenoid under the tank click and the power came on.  I then tried the starter and as soon as the starter engaged the power died again.  Once again, no clicks, no lights, no nothing.
    I see the Decompression controller is under the tank and very early in the wiring system.  If this is malfunctioning will it cause these symptoms I am seeing?
Thanks.
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Max_Morley
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Re: No electric Power
Reply #1 - 10/08/06 at 12:34:27
 
I'd start with chcking the cleanliness and tighteness of the battery posts. Max
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JDNemeth
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Re: No electric Power
Reply #2 - 10/08/06 at 13:02:17
 
Both clean and tight.
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thumperclone
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Re: No electric Power
Reply #3 - 10/08/06 at 15:14:38
 
try your ohm meter and check between neg (black)from battery to frame @  the bolt holding the starter..youre checking for open ground...also check power at both fuses solid reds comes from battery, r/w from one fuse feeds thru decomp controller,  r/b from other fuse feeds thru the ign sw(you state you have power there)..good luck!!! keep us posted..
there is a wiring diagram here, do search ..i couldnt get a clear copy of it so im refering to shop manual..
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Max_Morley
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Re: No electric Power
Reply #4 - 10/08/06 at 15:16:25
 
Don't forget the connection on the frame for the ground side. What are you using to check for 12.6 V from the battery? A meter will not load the cicuit enough to find broken wires, corroded or loose connections, but when you try to flow the amps through them to do actual work, the serve as resistance to current flow. If you have a meter either analog or digital, do you know how to use it in parallel to find circuit voltage drop? If not I'll explain in another posting, Max
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Max at Thumper Acres. '96 Savage bagger, '03 Savage w/Cozy sidecar for wifeni.
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JDNemeth
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Re: No electric Power
Reply #5 - 10/11/06 at 14:50:09
 
What I have learned so far is that just because a battery is relatively new and showing 12.6 volts does not mean it is good.  I had the battery tested and it appears to be bad.  Bob from eBatteries.com is sending me a replacement under warranty and I will update when I have the new battery.

I would be interested in hearing how to use my power meter in parallel to check for voltage drop, just in case.  I am using a digital meter.
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Max_Morley
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Re: No electric Power
Reply #6 - 10/11/06 at 16:28:35
 
It is easy and it measures the actual voltage drop when the circuit is operational. On a digital meter it really doesn't make any difference polarity as the meter will read OK either way, it just has a minus in front of it, but the number is valid. AS you can do the same test with the low scale on an analog (swept needle type) I always teach that the + (red) lead goes to the point of highest voltage and the - to (black) to lowest. The way this test differes from an appplied voltage test is that - lead goes to the starter motor terminal rather than ground. Now when you crank the meter will show the difference in potential or voltage drop between the Bat + and the motor terminal. We usually allow 0.1 V drop per connection, set of contacts or wire, but not more than 10% or about 1.0 - 1.2 volts on either the + or ground side. You would check the - side of the circuit by putting the + lead on the starter motor ground and the - lead on the battery - again crank the engine and observe the reading. Same allowance there. For this test to work the circuit has to be complete and work and be in operation (amps flowing) for the test to be valid. As we are working with 0.01.-0.1 V that is why a digital works nice as it easy reads this small. The more expensive the meter the faster you will get a reading, that is partly waht you pay for in a more expemsive meter. Flukes are very expensive but almost instant to display the number and they have the ability to record the min and max while you are doing the cranking operation. Works on finding the problem with broken or corroded wires as they equate to resistance that the Ohmmmeter function doesn't find. think of it this way, if only one wire of the 7 in a starter ground cable are touching at a break, then the ohmmmeter will show 0 ohms or close to it. When you try and crcnk and all the 80 or so amps try to got through that one strand the get restricted and so there is less voltage left on the other side of the bad connection to try and do the work of cranking the starter at the correct speed. Another good example is those cheap grocery store aluminum wire jumper (booster) cables that tend to break the wire in the strand very quickly at the point they at crimped in the clamp. The seem to work OK at first and then each time you use them they do worse and worse job of jumping and when you go to disconnect them the clamps are warm or hot to the touch. Some of the voltage was being used at that resistance point and made heat. So a hot spot in any circuit other than the bulb or heater element is not good. End of lesson for today. I'll check back if you have questions. Max
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Max at Thumper Acres. '96 Savage bagger, '03 Savage w/Cozy sidecar for wifeni.
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thumperclone
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Re: No electric Power
Reply #7 - 10/11/06 at 18:48:15
 
good job max ohms law 101 Wink
P= IxE
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vroom1776
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Re: No electric Power
Reply #8 - 10/13/06 at 10:31:44
 
copy and paste to the tech sect!
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Savage_Rob
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Re: No electric Power
Reply #9 - 10/13/06 at 10:37:32
 
vroom1776 wrote on 12/31/69 at 16:00:10:
copy and paste to the tech sect!

Done.
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JDNemeth
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Re: No electric Power
Reply #10 - 10/17/06 at 18:26:40
 
And the verdict is:  Just because a battery is reasonably new doesn't mean it can't be bad!  Even when it shows 12.6 volts!  New battery installed today and bike started right up without problem.
Thanks to all for the help that was offered!  Great group of people here!  Just cause we ride with a Savage don't mean we are one!
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