40 amp ignition fuse keeps blowing

1999 CHEVROLET TAHOE
150 MILES
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MYSTICWOLF2219
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I keep replacing a 40 amp fuse that is for my ignition. I have looked at all wires to the engine and to the battery no problems there. I am having trouble takeing the steering column apart but so far no wires that look to be problematic. What is going on?? How to fix and find the problem.
Nov 18, 2013 at 3:01 AM
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HMAC300
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that goes to the ignition switch and starter relay so try switching the starter relay with a like relay and see if that cures it if not it may be a bad ignition switch. This guide can help

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Please run down this guide and report back.
Nov 18, 2013 at 6:34 AM