A different type of Big 3 question.

brypink
10+ year member

CarAudio.com Elite
I installed my system a couple of weeks ago including a big 3 upgrade (1/0 cable). I have an 05 F150 that I have a custom tuner program on it as well. I programmed it before the system install.

Today when I tried to change the tune (program) and plugged the tuner into the diagnostic power center the tuner would not power up. The fuse for the diagnostic power center is paired with the cigarette lighter and was blown (20 amp). I tried putting 2 other fuses in but they both blew on contact.

So, here is my question...could the big 3 have any thing to do with this fuse blowing? I connected no other wires except for the accessory (red) wire to the accessory connection in the fuse block. No other wires were cut. spliced, etc. so I don't know why it would blow.

Any help? Suggestions?

BTW, the new system has worked flawless.

 
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brypink

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