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Regulator Blown Fuse????

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Rbertalotto

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Rberrtalotto
I finished the mild renovation of my IH CC 782 yesterday. I rewired the entire tractor, adding a fuse block to the system.

IMG_20200501_145257727.jpg


I fused the lights, the gauges, the coil 12V feed and the REGULATOR feed to the battery.

I also installed a 50A circuit breaker at the battery as a "Dead Man" switch and to protect the starter wiring and the fuse block wiring

IMG_20200501_145336128_HDR.jpg


I deleted the ignition switch and went with a "Push To Start" system.....Turn coil on, hit start switch....engine running....Turn on regulator..... Could this sequence I'm using be an issue? Should the regulator be on before the start sequence?

IMG_20200501_182428253.jpg


I inserted a 15A fuse on the line from the Regulator to the battery. After about 15 minutes of run, the 15A fuse blew.

Not sure if it blew during a start up or while the tractor was running.

The size of the factory wire from the regulator to the battery would suggest we are not looking at a lot of current here.

My regulator is outputting 14.2V. I installed a switch on this regulator to battery feed if this might have any bearing.

Anyone have any idea what might have happened?
 

jstich

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May 2, 2017
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Jerry Stich
Could possible be that engine has the 25 amp alternator?
I know my 782 does.
 

Rbertalotto

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Rberrtalotto
As far as I know, it doesn't have an alternator. I certainly don't see one. The 20a fuse has been fine all morning. Fingers crossed!
 

Rbertalotto

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Rberrtalotto
Thank you. I had no idea it had a true "alternator" ....I thought it just had a field coil type system...
 

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