60Amp ignition switch fuse blows when starting car, not all the time though

Check engine compartment fuse box FUSE 1 60 amp. If it checks ok then a failure of either the ignition switch, transmission range switch, or a break in any of the interconnecting wires.

It shouldn't be. The starter is going to pull as many amps as it needs. The fuse is to protect the wiring and keep the car from catching fire in case the starter fails and tried to pull more current than it should. That being said you need to change it back. 80 amps is 33% more current than what that circuit is designed to carry. Being that it's a 1993 you should probably be on your 3rd starter by now

have you checke dthe main 60amp fuse in the engine compartment fuse box , also some vehicles have a large amp fuse directly attached to positive terminal of the battery on the starter circuit keep me posted if you wish

Just for the record, its a 60amp not 60 watt.
I don't see a fuse that big in the fuse box inside the car, so I am wondering which fuse you are talking about.
Regardless, you would need to trace the circuit to look for a short to ground or a component problem.

G16b engine , in USA>
owned 3, know them too well.
that is alternator shorted out , 1 of its 3 phase huge diodes.
60amps, im looking now.
at real esteem book.
sad but there are 4x 60amp fuses there.
an guess what THAT MATTERS BIG TIME
that tells me which branch on tree shorted
here ill do them all
80amp 1 alt shorted
60amp 4 ABS shorted
30amp 5 rad fan shorted
60amp 6 heater short, (HVAC heater blower)
60amp 3 IG , feed 33, feed 15 cab box. with 15amp fuse, (nah)
60amp 2 lamp. (huge )white -blk feed. all have small fues
but. tail light relay? shorted?
off hand if fuse 2,3,or 6 blows,
then the cab box has a huge nasty short to body
or someone was hacking there.


which one?

Start by checking your main ground wire. and also check your main fuse, i believe it is 60amp. GL

Those are the main fuses that protect the circuits that provide power from your battery to the instrument panel fuse block and the ignition switch.

My guess would be the ignition switch itself since they are working in the axillary position. Never seen this happen personally, but has to be the problem. Don't know the model or year of car your working on, but if it's not a 60's model check your engine compartment fuse box or box's. Look for the ignition switch fuse's. On my GM car there are 2 60amp fuses that run the ignition on controls the starter circuit and the other controls the electrical system. Maybe not exactly how it works but would be worth popping the hood and taking a look at them.

I'm no expert but when you turn key to run position, this turns the fuel pump on if the pump is faulty i would think it would blow the fuse also. Or its your theory a short in the ignition system wiring.

It sounds like a bad ignition switch or something is grounding out.Try to isolate the problem to key positions.See if the fuse blows when you turn the key to ACC(when your dash lights come on without starting)If the fuse does not blow then when you go to start it and it blows it could be one of many problems,the more common ones could be ignition switch,wiring,starter relay,starter soleniod,or perhaps the starter itself is shorting out,this can sometimes happen when a starter goes bad.