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Author Topic: Electrical help needed.  (Read 2271 times)
TrapperAH1G
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*****
Posts: 197

Toledo, WA


« on: May 30, 2024, 09:03:15 PM »

I'm going to be posting my story "Trip from Hell" in the general posts.  It explains what lead up to the situation below!

Had a dead battery and nice guy was giving me a jump from his truck.  Engine off and shame on me, not supervising his assistance.  He hooked up the cables and we got a spark and small fire at the positive cable post.  He had reversed polarity, crossed connected from what he had on his battery.  Popped the cable off the pos post and all seemed ok.  Dog bone fuse and starter fuse ok.  Connected correctly, let the battery build up and started right up.  No problem.

Got on the bike and started the ride, 14 miles down the road I pulled into a gas station and as I slowed, lost all power.  Dead!  Checked and the dog bone fuse was burned out, big gap.  Assume I have a short to ground.  Looked at wires around battery, especially around pos post but nothing visually apparent.

Suggestions on tracking this down would be appreciated.
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Jims99
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Posts: 803


Ormond Beach Fl.


« Reply #1 on: May 31, 2024, 05:00:43 AM »

Have you tested battery or replaced? Replace the dog bone fuse with another, and test voltage coming from alternator. Around 13.4 at idle up to 14.2 at higher rpm’s. Battery may show 12v but may drop off when cranking. Ground wires are responsible for many electrical issues. Check them for corrosion.
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The light at the end of the tunnel, is a train.
99 tourer
00 interstate
97 standard
91 wing
78 trail 70
h13man
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Posts: 1745


To everything there is an exception.

Indiana NW Central Flatlands


« Reply #2 on: May 31, 2024, 05:34:11 AM »

If the battery went dead, its toast. Now the starter buttons do fail from age thus carefully cleaning and regrease is a common fix. When mine failed the headlight didn't work but signals worked perfectly. We bump started it and got it home just before sunset w/o any issues. I got 12 yrs. out of that Napa battery which was 5 yrs. past the switch issue and it had a leaky negative post justifying replacement. Amazon sells a USA Yuasa AGM for a $100. 2018 they were $75.

https://www.amazon.com/Yuasa-YUAM3RH4S-Maintence-Free-Battery/dp/B0835MCLNP/ref=sr_1_15?dib=eyJ2IjoiMSJ9.DJUKsfPFQ8my1GFrP9yNlm4Ys0qLny7rSNLEn3i38BENSLbpkerLihsruxZoru3X4bbFmMgZ4RGDJ0j7lz9xsGzIGVIo-o562HGSjcVMKHvqkn9GEbxS7Z0_qfMyKBOK3AtiJJyWknu4j1YScyGx5HQ8Ihe_W3F2igy4T1yPXTbWLoc-s3hHF24FeFAXANP5uWVwjvNVScZPtrJ3QAKPniCYz9bZBXiqUTH638NQ4hvTf84j457MOr8mtRDVBCExra8EyeQQGfrsaKzfZrrOhVTtUduMIIzTzC99cUSTdUY.RXWr6Rsh9ol9vEGzJ51_tQPvLyfUUw09ZBK-SJB_nFE&dib_tag=se&hvadid=570588091565&hvdev=c&hvlocphy=9016728&hvnetw=g&hvqmt=e&hvrand=9819626556313990305&hvtargid=kwd-4948953165&hydadcr=921_1014973559&keywords=battery+ytx14+bs&qid=1717158665&sr=8-15
« Last Edit: May 31, 2024, 05:36:03 AM by h13man » Logged
Pluggy
Member
*****
Posts: 400


Vass, NC


« Reply #3 on: May 31, 2024, 06:02:23 AM »

Connecting a truck battery in reverse likely damaged charging electronics.  That's why the bike failed soon after that bad jump. Install a new battery and fuse, then try to start it.  If the fuse blows immediately, the rectifier or regulator inside the alternator were probably damaged. If the alternator puts out anything besides 13-14.5V, it indicates the rectifier or regulator are likely damaged. Although rectifier and regulator can be replaced, most owners will replace the whole alternator.

Motorcycle grounds can be a problem.  But, as the bike ran out of volts soon after that bad jump it tells us to investigate damage from that action first.

« Last Edit: May 31, 2024, 01:23:22 PM by Pluggy » Logged
TrapperAH1G
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*****
Posts: 197

Toledo, WA


« Reply #4 on: July 28, 2024, 11:40:19 PM »

Went down to Nevada last week and picked up my bike, trailered it home to WA state.  Stressed for the last 2 months about what was wrong, how bad was the damage, etc. 

Dove in....battery was toast, literally.  The positive post had partially melted and two wire connecters were fried.  The dog bone was melted of course.  Pulled the battery and checked all the fuses - all okay.  Visually checked wiring - okay except for the 2 connectors.  Installed new dog bone, new battery and replaced connectors. 

Was a little hard to start as it had been sitting but did start and idle.  Alternator reading was good at idle and higher revs.  Did a 10 mile test ride, came back home, decided that wasn't enough.  Got my go to riding buddy to come along and did over 100 miles on twisties and asphalt.  All good!

Glad to get this stress off my back and the bike back on the road!  Total cost of repairs - less than $100!  Cost of lessons learned - priceless!
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Chrisj CMA
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Posts: 14756


Crestview (Panhandle) Florida


« Reply #5 on: July 29, 2024, 05:49:53 AM »

Went down to Nevada last week and picked up my bike, trailered it home to WA state.  Stressed for the last 2 months about what was wrong, how bad was the damage, etc. 

Dove in....battery was toast, literally.  The positive post had partially melted and two wire connecters were fried.  The dog bone was melted of course.  Pulled the battery and checked all the fuses - all okay.  Visually checked wiring - okay except for the 2 connectors.  Installed new dog bone, new battery and replaced connectors. 

Was a little hard to start as it had been sitting but did start and idle.  Alternator reading was good at idle and higher revs.  Did a 10 mile test ride, came back home, decided that wasn't enough.  Got my go to riding buddy to come along and did over 100 miles on twisties and asphalt.  All good!

Glad to get this stress off my back and the bike back on the road!  Total cost of repairs - less than $100!  Cost of lessons learned - priceless!

You were blessed. Sounds like the battery took all the heat. Could have easily fried your entire wiring harness. That would have been an expensive mess.
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Pluggy
Member
*****
Posts: 400


Vass, NC


« Reply #6 on: July 29, 2024, 06:01:05 AM »

Went down to Nevada last week and picked up my bike, trailered it home to WA state.  Stressed for the last 2 months about what was wrong, how bad was the damage, etc. 

Dove in....battery was toast, literally.  The positive post had partially melted and two wire connecters were fried.  The dog bone was melted of course.  Pulled the battery and checked all the fuses - all okay.  Visually checked wiring - okay except for the 2 connectors.  Installed new dog bone, new battery and replaced connectors. 

Was a little hard to start as it had been sitting but did start and idle.  Alternator reading was good at idle and higher revs.  Did a 10 mile test ride, came back home, decided that wasn't enough.  Got my go to riding buddy to come along and did over 100 miles on twisties and asphalt.  All good!

Glad to get this stress off my back and the bike back on the road!  Total cost of repairs - less than $100!  Cost of lessons learned - priceless!

Happy you are on the road again and thanks for sharing. The damage probably made an easy path to ground causing the dogbone to fail. Fortunately no damage to any electronics.

Some old motorcycle batteries had a clear plastic case. I saw a GL1000 battery where the inside plastic was coved with white after being hooked up to a car. Looked like an old flashbulb. Might have been the same circumstances.
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TrapperAH1G
Member
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Posts: 197

Toledo, WA


« Reply #7 on: July 29, 2024, 10:24:39 PM »

I am absolutely doubly blessed.  I told my friend that was helping me - Well, the Lord takes care of children and fools - I was a fool to allow someone else to hook up to my battery, and I'm in my second childhood.

Could have been much worse, I know. 
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