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gs1100g keeps blowing main fuse

  • Thread starter Thread starter Fester
  • Start date Start date
F

Fester

Guest
I have a GS1100 G 83 model . the bike was running fine but now she keeps blowing main fuse . She'll sit and idle all day till I go to rev her and that's when she blows the fuse. Any iders on what could be causing this to happen.. The only thing i'v changed on her is LED indicators and flasher unit
cheers
fester
 
The guy who owned my bike before the guy I got it from told me that every couple times of revving it all the way out, the main fuse would blow. I hit all the big contacts and connectors (and the back of the fuseblock) with Naval Jelly and then rinsed it clean and have not had it happen to me at all. Maybe it's a corrosion issue somewhere between the main and the coils?
 
Griffyn said:
The guy who owned my bike before the guy I got it from told me that every couple times of revving it all the way out, the main fuse would blow. I hit all the big contacts and connectors (and the back of the fuseblock) with Naval Jelly and then rinsed it clean and have not had it happen to me at all. Maybe it's a corrosion issue somewhere between the main and the coils?
Click to expand...
yeap have done most of that but didn't think of the coil's. I'll go have a look
Cheers
 
My r/r is doing it's job apparently any other idea's I'm at a total lose with this bloody thing
 
Fester said:
Yes just got on to that . Started the bike after disconnecting it and main fuse didn't blow
Cheers guys thanks for the help
Fester:)
Click to expand...

Fester said:
My r/r is doing it's job apparently any other idea's I'm at a total lose with this bloody thing
Click to expand...


Not certain what you are saying.

It is possible that your R/R (and stator) does function but at sometime, like under higher voltage (or current or temperature) the R/R (or stator) has something that just for a brief time shorts to ground and that would blow main fuse.

If disconnect the R/R from the bike harness, that will remove the R/R (and stator) entirely from the bikes wiring. The bike will start and run without the R/R connected (just will not be charging the battery).


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Redman said:
Not certain what you are saying.

It is possible that your R/R (and stator) does function but at sometime, like under higher voltage (or current or temperature) the R/R (or stator) has something that just for a brief time shorts to ground and that would blow main fuse.

If disconnect the R/R from the bike harness, that will remove the R/R (and stator) entirely from the bikes wiring. The bike will start and run without the R/R connected (just will not be charging the battery).


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Click to expand...
When I rev the bike to 1500 she blows the main fuse but when I disconnect the R/R she doesn't. but with the R/R connected it's pumping around 13 to 14 amps or volts to the battery
 
Dump the Suzuki R/R and install a Honda unit. You will have to solder connectors, but once installed on the bike you can forget about R/R problems.
 
Fester said:
When I rev the bike to 1500 she blows the main fuse but when I disconnect the R/R she doesn't. but with the R/R connected it's pumping around 13 to 14 amps or volts to the battery
Click to expand...

Because the stator puts out power and the R/R requlates it, does not mean that the stator or R/R cant have a problem where it blows fuse at high rpm (higher voltage, higher current).

I suspect the R/R.

Or is a slight chance it might be with higher RPM is more vibration and that is causing some bare wire to touch ground somewhere. Maybe could test that just by wiggling wiring harness and see if it blows fuse right when wiggle something.

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my gs started blowing main fuses 300km after doing valve clearances but only at a certain rpm.Turned out to be the feed wire to the horn was making intermittent contact with the frame when vibrating at certain rpms.was bloody frustrating to find the fault and was cured by simply rotating horn in its rubber mount.not saying its what your problem is but look at all accessories as well as they are fed power all the time and the switch closes the return loop from the accessory
 
daturat100r said:
my gs started blowing main fuses 300km after doing valve clearances but only at a certain rpm.Turned out to be the feed wire to the horn was making intermittent contact with the frame.....
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Fester's (Original Posters) bike will have MAIN fuse and fuses for HEAD, IGNITion and SIGNAL. A short to ground in his bikes horn circuit should blow his SIGNAL fuse (but could possibly blow the main depending on some circumstances). His problem is the blowing the MAIN fuse.

Perhaps your bike is one of the 78 or 79 750s that has only one fuse.


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