blowing fuse

[jpennison]

i have 100 amp fuse and everytime i try to install into fuse holder it sparks and pops fuse

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[kovemaster559 5,000+ posts]

you have a short to ground sir

 

[boomzilla 10+ year member]

because you disconnect the batteries ground wire first, then install the fuse in the fuse holder, then re connect the batteries ground and if you still blow a fuse its to low of a rating

idk though

 

[itzme218 10+ year member]

I blew my first fuse is oOoo so long, had the Rs up and running loud then I thought the amp went into protection mode, NOPE, look under the hood and fuse was gone... wonder why the fuses at the dis. block didn't go instead...hmm

 

[05AztecRed 10+ year member]

Did you fuse for the wire? Make sure the proper sized fuse is used for your wire. If it is 4ga., a 125A fuse is sufficient.

If it is still blowing a fuse, the wire is grounding out somewhere and you need to find out where.