Thread: 50 amp fuse keeps blowing out...
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Old Jan 19, 2016 | 10:58 AM
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onehundred80
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From: Ontario
Default Re: 50 amp fuse keeps blowing out....
Originally Posted by ala_xfire
^^^^ It is a 50 amp fuse, not a 20 amp fuse.
I agree that if the starter motor were getting continuous power, then either the Pulse Module or starter solenoid is FUBAR, but wouldn't there be a heck of a racket from the starter staying engaged, in other words, if the solenoid is hanging, then the starter is engaged to the flywheel also.
The 12v to the starter motor is unfused, direct from battery to solenoid to motor windings.
I was saying that the 50 amp fuse does not power the under hood fuse box, more systems run through the 20 amp fuse. The 50 amp fuses is only on the higher amperage systems, one 50 amp fuse powers the fan.
I do not say that the starter motor gets its power through the 50 amp fuse, the solenoid is operated through the iggy switch and through the pulse module, if the pulse module does not switch off the solenoid then heat is generated because the solenoid is forced to stay on, heating the pulse module. I said jammed but forced to stay in is a better term.
I have run out of ideas. But the problem lies in the starting system and nowhere else is my thought, probably the pulse module.
 
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