81 1100


Information and questions on GL1100 Goldwings (1980-1983)
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Cornfed77
Posts: 8
Joined: Sat Jun 15, 2019 2:02 am
Location: Pipestone Mn
Motorcycle: 1981 GL1100 int

81 1100

Post by Cornfed77 »



Help my gw was running great rode it to work went to start it at lunch. Turned the key hit the start button turned a little and lost all lights everything. Hopefully someone has some information thanks


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Rambozo
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Joined: Sun Apr 01, 2018 8:36 pm
Location: Disneyland
Motorcycle: 1992 GL1500 Aspencade
Ducati Monster

Re: 81 1100

Post by Rambozo »

Check battery terminals and dogbone fuse as a start.
Cornfed77
Posts: 8
Joined: Sat Jun 15, 2019 2:02 am
Location: Pipestone Mn
Motorcycle: 1981 GL1100 int

Re: 81 1100

Post by Cornfed77 »

In the process thanks
Cornfed77
Posts: 8
Joined: Sat Jun 15, 2019 2:02 am
Location: Pipestone Mn
Motorcycle: 1981 GL1100 int

Re: 81 1100

Post by Cornfed77 »

I keep blowing the fuse in the silonode
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OldguyGlen
Posts: 226
Joined: Sat Nov 24, 2018 10:55 am
Location: Mound,MN
Motorcycle: 1980 GL1100 STD/Vetters
1966 Honda 90

Re: 81 1100

Post by OldguyGlen »

The 30 amp fuse at the solenoid feeds everything except the starter motor armature. Got to begin to narrow it down. Assuming none of the fuses up front are blown, it is likely a chafed wire insulation or maybe the solenoid itself. Does the fuse blow instantly, or just as you turn the key, or only when you hit the start button?
Cornfed77
Posts: 8
Joined: Sat Jun 15, 2019 2:02 am
Location: Pipestone Mn
Motorcycle: 1981 GL1100 int

Re: 81 1100

Post by Cornfed77 »

It blows as soon as I hook the negative battery cable up
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virgilmobile
Posts: 9101
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: 81 1100

Post by virgilmobile »

Disconnect the regulator/rectifier module.
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OldguyGlen
Posts: 226
Joined: Sat Nov 24, 2018 10:55 am
Location: Mound,MN
Motorcycle: 1980 GL1100 STD/Vetters
1966 Honda 90

Re: 81 1100

Post by OldguyGlen »

+1^^ Here's another tip that saves blowing $20 worth of fuses while testing / diagnosing electrical shorts:
Temporarily patch in a small wattage light bulb (parking bulb, instrument bulb) between that negative battery terminal and neg cable. The bulb will glow as the current flows thru the bulb and on thru the short circuit. But that low current won't blow the fuse. Then watch the bulb as you wriggle wires, and unplug connectors, etc.
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DenverWinger
Posts: 1938
Joined: Thu Jun 23, 2011 2:20 pm
Location: Denver, CO
Motorcycle: (s)
1980 GL1100 STD Vetter (2005-)
1993 GL1500 Aspencade (2017-)
1983 Trav-Lite Camper (2010-)
Past rides
1972 CL350 (1980-1988) sold
1978 Suzuki GS550 (1985-2005) sold
1977 GL1000 (2002-2006) sold

Re: 81 1100

Post by DenverWinger »

I second the Rectifier/Regulator module. Likely a couple shorted diodes internally. Unplug it and I bet the bike returns to normal except it won't charge.

Doubt OEM replacement is available, will be spendy if you can find one, but there are very good aftermarket parts at a pretty reasonable price!
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark
Cornfed77
Posts: 8
Joined: Sat Jun 15, 2019 2:02 am
Location: Pipestone Mn
Motorcycle: 1981 GL1100 int

Re: 81 1100

Post by Cornfed77 »

Unplugged the rectifier and still blowing fuses
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DenverWinger
Posts: 1938
Joined: Thu Jun 23, 2011 2:20 pm
Location: Denver, CO
Motorcycle: (s)
1980 GL1100 STD Vetter (2005-)
1993 GL1500 Aspencade (2017-)
1983 Trav-Lite Camper (2010-)
Past rides
1972 CL350 (1980-1988) sold
1978 Suzuki GS550 (1985-2005) sold
1977 GL1000 (2002-2006) sold

Re: 81 1100

Post by DenverWinger »

OK, Pretty well rules out the reg/reg module. Most likely a wire rubbed thru the insulation somewhere and shorting to frame.

As suggested, connect a light bulb in place of the fuse. Leave key off. The bulb will stop glowing once you find and fix the short
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark
Cornfed77
Posts: 8
Joined: Sat Jun 15, 2019 2:02 am
Location: Pipestone Mn
Motorcycle: 1981 GL1100 int

Re: 81 1100

Post by Cornfed77 »

I found a green wire in front of the coils I comes of the wiring harness could this be ground. And could this be my problem? How do I do the light bulb hook up to the battery? Thanks for your help
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OldguyGlen
Posts: 226
Joined: Sat Nov 24, 2018 10:55 am
Location: Mound,MN
Motorcycle: 1980 GL1100 STD/Vetters
1966 Honda 90

Re: 81 1100

Post by OldguyGlen »

Most green wires are ground wires. That one is not likely to be the problem but I can only guess without testing it. The light bulb aid can be wired in many ways. I suggested splicing it in the neg cable at the battery only because you indicated you were already using that as a means of disconnect. You would need a good 30 amp dog bone fuse in that case. The typical method (as mentioned by DenverWinger) is to use the bulb to replace the 30A fuse, and connect the neg cable back on the battery.
Cornfed77
Posts: 8
Joined: Sat Jun 15, 2019 2:02 am
Location: Pipestone Mn
Motorcycle: 1981 GL1100 int

Re: 81 1100

Post by Cornfed77 »

I had a test light it worked but still can’t find the problem. It wouldn’t be in the starter switch. Help I’m close to taking her to the shop


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