Fuse Box upgrade

[Steve]

The fuseblock on the 1150 IS the atc style...no glass fuses.

Cool. When did they make the switch? Did they switch boxes on the smaller GSs as well?

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I used two in order to give me enough circuits to be added on later and clean up the harness. They were cheap and fit perfectly under the seat.

you are the man.


what exactly do you have running there, and is the 12v constant running through one, or separate like mentioned earlier?

my bike doesnt look like that. what is the thing with the 4 screws in it?

I used two in order to give me enough circuits to be added on later and clean up the harness. They were cheap and fit perfectly under the seat.

but you need 2 for both circuits, one for 4 accessories and one for the 12v constant, if i understand correctly.

read here.

The 12V constant on mine is an inline ATC fuse the accessories go through the block..

The fuseblock on the 1150 IS the atc style...no glass fuses. It would probably work, and is about the same size as the block on the older GS's.

Good to know, didn't think there were any ATC fuseblocks on japanese bikes before the 90's.

[renobruce]

The fuseblock on the 1150 IS the atc style...no glass fuses. It would probably work, and is about the same size as the block on the older GS's.

[Steve]

but you need 2 for both circuits, one for 4 accessories and one for the 12v constant, if i understand correctly.

read here.

If you REALLY want to upgrade and don't mind spending a little bit of money in the process ... check out this box. It has six circuits and you can decide whether each circuit is always live or switched merely by moving the fuse to another location. Sure, it costs $80, but it's a quality piece of work.
(But you still need a separate feed to the ignition switch.)

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but you need 2 for both circuits, one for 4 accessories and one for the 12v constant, if i understand correctly.

read here.

[Steve]

Is a fuse box from a 1985 1150 and/or a 1983 GS 750 compatible with my '79 850?

As the good doctor mentioned, ... yeah, sorta, if you really want it to be.

It won't be a direct bolt-in fit, because (I believe) your '79 has two fuse boxes. One fuse is by itself (ACC fuse) and the other four are in their own box. The '83 and '85 boxes will have all five fuses in one box. Unless those boxes are basically free, as the doctor mentioned, if you are looking to "upgrade" (and you used that word), you would be better off getting a 6- or 8-position block that uses ATC fuses.

If you do that, though, you will have to do a little more re-wiring as all of those fuses will be on the same feed. You really need to have a fuse in your main line that feeds the ignition switch because that comes straight off the battery. The switched wire coming from the ignition switch then goes back to the fuse box, and that is what will feed your 6 or 8 sub-circuits. If it were my bike, I would install a single fuse (or circuit breaker) for the main line and use the switched wire from the ignition switch to control a relay that turns on the power to the fuse panel. Hey, you are going to have to do some re-wiring anyway, why not do just a little more and take the load off the ignition switch contacts? If you go with the relay idea, that fuse that is feeding the ignition switch won't have to be very big, as its only load will be the relay. A 1-amp fuse would be overkill. On second thought, if you put the key in the PARK position, the tail light bulb will be fed from this, but a 1-amp fuse will still work.

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Is a fuse box from a 1985 1150 and/or a 1983 GS 750 compatible with my '79 850? I'm looking to upgrade.

Thanks for any advise you may have.

You can make it work, no doubt, an even better upgrade would be an $8 ATC fuseblock from your local pep boys that gets rid of the glass fuses.

[tas850g]

Is a fuse box from a 1985 1150 and/or a 1983 GS 750 compatible with my '79 850? I'm looking to upgrade.

Thanks for any advise you may have.