Jump start??? - GL1800Riders

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post #1 of 17 (permalink) Old 06-09-2013, 07:46 AM Thread Starter
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Jump start???

A guy in my motel parking lot had a dead Harley battery.I considered jumping him.

I have a Gerbings cord from my battery fused in-line at 15a (15a is necessary for my Cycle Pump) + a coax - SAE adaptor (also for the pump).
The motel owner has a set of clamps from a Battery Tender that needed the SAE connection.

Would this have worked ok? My gut said no, so I didn't offer...I think the BT clamps are real light-duty, and the adaptor may be a weak link.
Any other reservations?

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post #2 of 17 (permalink) Old 06-09-2013, 07:57 AM
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battery

The best thing to do was to grab some tools and help him check for a loose / bad connection. It that doesn't do it, give him a ride to the closest Harley shop or wally world to get a new battery.

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post #3 of 17 (permalink) Old 06-09-2013, 08:15 AM
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Well, if I understood correctly you had one cable with an in-line 15 A fuse. Yes I believe your feelings were correct in not trying to utilize that set-up with the HD. The starter on air-cooled HD's can have a starting curent anywhere between 85-150+ Amps depending on make and model... Of course the battery on the HD would have provided some of this current but most likely you would have ended up with a blown fuse on your cable...

A possible solution would have been to connect your battery to the HD's battery and run your engine for about 5-10 minutes to try and get the HD's battery a bit of a boost (assuming the battery still has life left in it) then disconnect the cable and have the HD rider try it, but alas if the battery was dead after a run then it probably wouldn't have helped anyway...

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e

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post #4 of 17 (permalink) Old 06-09-2013, 08:17 AM Thread Starter
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Originally Posted by gary4565 View Post
The best thing to do was to grab some tools and help him check for a loose / bad connection. It that doesn't do it, give him a ride to the closest Harley shop or wally world to get a new battery.
Connections were solid, though the terminals looked pretty bad. He said he ran that battery from new...the bike's a '99.
He did catch a ride somewhere for a new one.

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post #5 of 17 (permalink) Old 06-09-2013, 08:20 AM
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Sometime with an old battery put a wire that size across the posts. Makes a good cigarette lighter. I will get red hot in seconds.

Takes a good or at least adequate sized wire to carry the battery current.
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post #6 of 17 (permalink) Old 06-09-2013, 08:26 AM
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As others have said, you could do that to put a charge to his battery, but, not try to start it.

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post #7 of 17 (permalink) Old 06-09-2013, 10:07 AM
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After checking the connections, if the battery had any fire at all in it and there is room in the parking lot, there's a chance you could have given him a push and he could have popped the clutch in 2nd gear. Once started, he could have found a battery somewhere. If not enough fire to activate the fuel pump and spark the plugs, he wouldn't have been any worse off from pushing the bike a few yards. My brother-in-law was told by a dealer that it took something like 30-40 miles for the alternator to recharge the battery on the Harley he had.

Anyhow, problem solved. Just a thought.

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post #8 of 17 (permalink) Old 06-09-2013, 10:38 AM Thread Starter
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Originally Posted by 2Wheeler View Post
After checking the connections, if the battery had any fire at all in it and there is room in the parking lot, there's a chance you could have given him a push and he could have popped the clutch in 2nd gear. Once started, he could have found a battery somewhere. If not enough fire to activate the fuel pump and spark the plugs, he wouldn't have been any worse off from pushing the bike a few yards. My brother-in-law was told by a dealer that it took something like 30-40 miles for the alternator to recharge the battery on the Harley he had.

Anyhow, problem solved. Just a thought.

Ride safely,
2W
A push would have been a consideration, but there was no fire at all, and it would have been slightly uphill.
My back would have seriously rebelled.

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post #9 of 17 (permalink) Old 06-09-2013, 10:49 AM
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Quote:
Originally Posted by emcet View Post
Well, if I understood correctly you had one cable with an in-line 15 A fuse. Yes I believe your feelings were correct in not trying to utilize that set-up with the HD. The starter on air-cooled HD's can have a starting curent anywhere between 85-150+ Amps depending on make and model... Of course the battery on the HD would have provided some of this current but most likely you would have ended up with a blown fuse on your cable...

A possible solution would have been to connect your battery to the HD's battery and run your engine for about 5-10 minutes to try and get the HD's battery a bit of a boost (assuming the battery still has life left in it) then disconnect the cable and have the HD rider try it, but alas if the battery was dead after a run then it probably wouldn't have helped anyway...

safe riding...

e
Starting current on the 09 and above touring models is 200 amps at 68 deg F.
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post #10 of 17 (permalink) Old 06-09-2013, 11:30 AM
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jumping the battery

What do most people seem to have against a set of jumper cables?
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