30amp Amplifier fuse blows at random.
I have a 2007 Yukon Denali and the under hood amplifier fuse blows at random. Could the amp be bad? Some times it lasts a couple weeks and other times it pops as soon as I plug a new one in.
I chased the wires and nothing is worn, I cleaned the terminals at the fuse connection and after that it lasted the longest. Anything else I should try before throwing a new amp in it? The inconsistent pattern makes me think it is something else.
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30amp Amplifier fuse blows at random.
Do you have RPO Y91? (I think that’s a wheelbase RPO). Looking at the schematic, that fuse is dedicated to the amp by itself. There are an inline connector in between the underhood fuse block and the amp, and the B+ circuit goes through the I/P junction on the drivers side if it has Y91.