I have a Genie Forklift GTH 844 and a 15 amp fuse keeps blowing. What is causing this problem

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What functions is that fuse for? And how often does it short?

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And what function is it for?

There are different circuits that energize when you turn the key, for the ignition circuit I would first use a relay buddy and test the starter relay. Also, would be good to do a visual check over the wiring to make sure there are no shorts to ground, those are easy enough to find and would save the trouble of testing other things.

-Ryan

They are used to test relays.

-Ryan

I would suggest doing the wiring check I mentioned earlier first.

Ok, then I would check the ignition relay, also, check the main power relay as well.

-Ryan

Yes

-Ryan

That is the most simple way, yes.

-Ryan

Since you checked the wiring and that is good, I would assume the next check after relays would be certain components, starter, solenoids, ect. I would also get a fuse buddy so you don't have to go through so many fuses while we carry out the checks.

-Ryan

I confused, so it doesn't blow it when you start it?

-Ryan

It's possible. I would also not use a fuse high then the one its rated for.

-Ryan