2000 GL1500 electrical problem


Information and questions on GL1500 Goldwings (1988-2000)
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stroedemarc
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2000 GL1500 electrical problem

Postby stroedemarc » Fri May 14, 2010 8:37 pm



I own a 2000 GL1500 Aspencade that recently began shorting out when I go over bumps in the road. It usually will only go about 2 blocks before it dies and the battery is dead and it will not start. The battery takes a charge, but it continues to drain it every time this happens. Any help will be greatly appreciated.



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WingAdmin
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Re: 2000 GL1500 electrical problem

Postby WingAdmin » Fri May 14, 2010 9:25 pm

Well the first thing you need to do is to figure out which system has the short. When it is draining the battery (put an ammeter on the battery), start pulling fuses one by one. When you pull the fuse that stops the draining (current at battery goes to zero) you have found the culprit. Starting with that, you can start tracking down where the problem exists.

stroedemarc
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Re: 2000 GL1500 electrical problem

Postby stroedemarc » Sat May 15, 2010 11:46 am

The fuse in question is the parking fuse. Any recommendations?

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WingAdmin
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Re: 2000 GL1500 electrical problem

Postby WingAdmin » Sun May 16, 2010 12:21 pm

Well that's the starting point. You need to follow that circuit from the parking fuse onwards now, to see which item (and where) on that circuit is drawing power when it shouldn't. I'm going to guess it's a pinched wire somewhere between that fuse and the ignition switch that is partially shorted - but I haven't looked at the schematic, so I can't say that for sure.

Rockaroll
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Re: 2000 GL1500 electrical problem

Postby Rockaroll » Mon May 17, 2010 1:52 pm

Hi!

The parkingcircuit is connecting to the following parts:
- Parking diode
- Brake and taillights (both side)
- License light
Try to search for some shorted circuits. The parking circuit is connected for some other components via the ignition switch ( for example accessory lights ).

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thrasherg
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Re: 2000 GL1500 electrical problem

Postby thrasherg » Tue May 18, 2010 11:51 am

Something doesn't make sense, the parking circuit must be fused? If that is the case there is no way it can draw enough current to flatten a good battery in 2 blocks!! I think you probably have a defective battery rather than a fault in the parking circuitry?
Motorcycle batteries often develop open circuits which fail when the battery receives a shock (driving over a bump) and du to the high resistance of the open circuit the battery does not recharge fully.
Any chance you could swap the battery out and see if it goes for more than 5 blocks with a good battery? If it still dies then you have a wiring problem but I don't know where the current is going because the parking circuit must have a 10 amp or less fuse and to flatten the battery in 2 blocks would require about 50+ amps to be drawn..

Gary

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Re: 2000 GL1500 electrical problem

Postby WingAdmin » Tue May 18, 2010 1:01 pm

That's a good point - there's no way a fully charged battery could go dead in two blocks without generating enough heat to light something on fire. I have heard of batteries that took a severe jolt, and then went intermittently dead (open circuit internally).

raycw
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Re: 2000 GL1500 electrical problem

Postby raycw » Wed May 26, 2010 12:34 pm

Do you have an accessory attached to the parking fuse circuit??? I'd look there.

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thrasherg
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Re: 2000 GL1500 electrical problem

Postby thrasherg » Wed May 26, 2010 3:28 pm

raycw wrote:Do you have an accessory attached to the parking fuse circuit??? I'd look there.


It would still have to be connected before the parking fuse otherwise the fuse would have blown.. Just to make the check easier..

Gary

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Re: 2000 GL1500 electrical problem

Postby raycw » Wed May 26, 2010 11:46 pm

But the parking fuse is HOT... Red wire from ignition switch. That could be where the drain is coming from. And no the fuse might not blow.
oh yeah....
The parking circuit isn't designed to tap into for accessory lights.

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thrasherg
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Re: 2000 GL1500 electrical problem

Postby thrasherg » Thu May 27, 2010 9:25 am

Ray the point is that to flatten you battery in 2 blocks something is taking a HUGE amount of current. The accesory fuse would blow if the circuit drawing the current was after the fuse. If whatever is drawing all the current is on the accessory circuit, it has to be before the fuse or the fuse would blow. You cannot flatten a healthy charged goldwing battery in 2 blocks by drawing only 10 amps (The rating of the accessory fuse).
I hope that makes sense.

Gary
Last edited by thrasherg on Thu May 27, 2010 9:49 pm, edited 1 time in total.

raycw
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Re: 2000 GL1500 electrical problem

Postby raycw » Thu May 27, 2010 6:40 pm

Gary... THE point is that if there's a draw on a hot wire , which what the parking circuit is, then it's draining the battery 24 hours a day... any draw for that length of time will be a substantial draw. Add into the equation a possible faulty alternator (which has NOT been ruled out), headlights, brake lights, slow speed driving and what do you have???

A dead battery.
Thats the point.

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thrasherg
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Re: 2000 GL1500 electrical problem

Postby thrasherg » Thu May 27, 2010 9:52 pm

Ray, you are correct, but I took from the original statement that he recharges the battery and then rides for 2 blocks and it dies. If the battery is not being recharged between breakdowns then you are correct that it could be something on the accessory circuit that is flattening the battery. I guess we need to ask if he is fully charging the battery before he rides it the 2 blocks and has it fail.. I may have assumed incorrectly.. :oops:

Regards Gary




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