Also we thought it was loose fuse box, shimmed it with some wood to stay in place but only lasted 2 weeks. headlights and other lights except interior ok.
Does your interior dome light work,if it doesnt take the dome lamp assembly out and disconnect the wire harness from there, reinstall the fuse and recheck lights,The possible short is coming from 2 likely areas the dome light or the dimmer light,what you do to the dome light to trouble shoot the short you will also perform on the dimmmer switch
SOURCE: 2003 Bonneville SSEi keeps blowing interior light fuse.
I can think of 2 places that were probably overlooked because I've been through this same trauma myself with GM products. One, if you have a right(passenger) side visor with a lighted mirror you'll want to check the wiring at the pivot point. Two, under the passenger side rocker panel trim, there is a ribbon harness with about 15 wires within and it may become chaffed by stepping in and out of the vehicle. Both of these have a constant feed with or without the engine running.Whoops, there's a third one I forgot about. Check the wires running through the rubber tube to the drivers door. Good luck my friend, Dana
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Does this by chance have what is called a body computer?
It has a body control module
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