Major electrical issues! GL1100 - Steve Saunders Goldwing Forums

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post #1 of 4 (permalink) Old 04-18-2010, 03:35 PM Thread Starter
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Hi all, i have for the last 8 months been a member of this forum whilst trying to get a 1980 GL1100 standard back on the road and many times searched through the posts to aid me with my bikes problems.

Yesterday i succeed in getting the bike back on the road and fully legal and had my first short shake down test rides.

But today i was hit with yet more issues.

The bike started first time and sounded fine, i rode approx 2 miles when i stopped at a junction. I put the bike in neutral but noticed the neutral light did not light up.

I pulled away from the junction and looked for somewhere to stop and check things out but within 30 seconds the bike lost all power to the engine and all electrics!!

I managed to push it home, and on first inspections found the main 30a fuse was melted along with most of the fuse holder. The 5a fuse labeled as oil temp, neutral, fuel and suspension had also blown and i could smell burning from the left hand side dummy tank.

I patched up the main fuse holder and placed a fuse in it,replaced the blown5a fuse and also disconnected the starter motor lead. I then wanted to reconnect the battery and to put power to the bike to help fault find.

Once power was reconnected i turned the ignition key only to see smoke come from the spark units, hopefully only one has failed! I quickly switched off. I noticed when power was on the neutral light had still not lit.

So my questions are, what could be the link between the neutral light and 5a fuse blowing, the main fuse melting and the spark unit failing. There could be more wrong but i don't no what to check.

I have been advised to check all ground connections which i will do, but has anyone got any more advice?



With both spark units unplugged and with the starter motor disconnected. I have turned the igintion switch to on. Thelights and indicators work but no neutral light.

If i reconnected thestarter motor and with the spark units unplugged would i be able to spin the engine over by the starter motor just to check that was working correctly?

Also where is the selenium rectifier located and is it possible to test as that links the netrual light to the main fuse.

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post #2 of 4 (permalink) Old 04-18-2010, 08:15 PM
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That is a tough problem to be facing. You have a hot wire going to a ground somewhere.

You have part of the wiring loom running next to the fuel tank and it can get caught if you had to pull the tank.Check that first.

You need to get a wiring schematic and 2 beers and study the wires on your bike.Put everything back like it originally was. But most likely you will find a hot wire going to a ground somewhere,might even be in the fairing weight pot.

Welcome to the forum.

1981 GL1100I Keep it vertical! Fred
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post #3 of 4 (permalink) Old 04-18-2010, 08:26 PM
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eck sounds like your going to have to trace the problem or take the harness off compltely and check it all

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post #4 of 4 (permalink) Old 04-18-2010, 08:45 PM
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It has nothing to do with the starter or a bad ground, the starter is on a relay and a bad ground can not blow a fuse. The spark units are not fused except for the main fuse, disconnect them and see what happens. The rear suspension light control unit is right next to the spark units, be sure it is not what smoked instead. It is on that fuse but it would have blown long before the main fuse did unless the main fuse was already weak.

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