I have decided to tackle the lighting issue that has plauged this car sinceI have had it... It seems to blow the interior light fuse when it rains. I pulled the drivers seat and found moisture under the carpet, so I need to weather proof the car. wihch is going to have to wait till I have a little more time.

Anyway I saw under teh seat two black wires that looked to be linked togther in a connection that is in under the seat (side to side), and a black one similar but located just forward of the wiring "T".

these wires seem to go to the doors...

Now there is also a connector that has a bunch of white wires going in and out of it....

I dont have my wiring diagram handy to determine where these go....

Suggestions and thoughts appreciated

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2002 Bonneville SLE 128k miles aka "Frankenbonnie"
Intense PCM w/2004 improved trans shift points/180 fans-stat/+3deg timing advance/DTC inhibit
Transmission Cooler
Upcoming changes - Hi Flow Cat/Exhaust - Cold Air Kit

1993 GMC 'Burb aka "Zombie Assault Vehicle" 230k miles

Hi,
My interior lights fuse (#27) keeps blowing in my 2003 SSEi. Did you have any luck finding out what is causing your problem?

Thanks.

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2003 SSEi

One thing that has often caused the interior light fuse to blow has been a short in the wiring for one of the visors.

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*Gone, but not forgotten* - Black 2000 SSEi, HIR Headlights, Angel Eyes fogs, 3rd brake light overlay, hi-flo cat, 180 degree thermostat, HS 1.9 rockers, LSx yellow springs, Intense FWI, PCM, shift kit, push rods, and 3.4 Pulley. ZZP Power Log.

I assume the headliner has to come out for this?

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2003 SSEi

Doesn't have to come out. Generally the wiring is bad inside the visor, not under the headliner.

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Bye Bye:

RIP sandrock

Ok, thanks.

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2003 SSEi

I haven't put alot of time into tracking this down since its gotten cold. I am looking at pulling the interior out a some point to fix the sunroof, lighting issues and the heated seats... after I am done the car will definatly be in better condition than when I bought it!

And now I gotta take a look at those radio lights since they have started going out on me...

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2002 Bonneville SLE 128k miles aka "Frankenbonnie"
Intense PCM w/2004 improved trans shift points/180 fans-stat/+3deg timing advance/DTC inhibit
Transmission Cooler
Upcoming changes - Hi Flow Cat/Exhaust - Cold Air Kit

1993 GMC 'Burb aka "Zombie Assault Vehicle" 230k miles

After removing the 4 or 5 screws for the visor, is there a pigtail up in the headliner to disconnect the electrical?

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2003 SSEi

Yeah each side has 3 and that much I have done.. Also the Cig lighter is on the same circuit iffin I remember correctly... I disconnected that and the instant blowing stopped, now it is after a couple of days... Haven't figired out if it is a when it rains issue yet.. I have to replace a relay first... or not have my trunk open.... or horn blow...

I have put a multimeter across the fuse and it pulls nothing close to the 10 amps that is there... so it is intermittant whatever it is...

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2002 Bonneville SLE 128k miles aka "Frankenbonnie"
Intense PCM w/2004 improved trans shift points/180 fans-stat/+3deg timing advance/DTC inhibit
Transmission Cooler
Upcoming changes - Hi Flow Cat/Exhaust - Cold Air Kit

1993 GMC 'Burb aka "Zombie Assault Vehicle" 230k miles

Thanks. A previous owner had an auto-mate remote start system installed, but it was not working. I had it fixed (bad remote, replaced driver's door wires), but hasn't solved my interior light issue. Please post any updates if you get yours working.

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2003 SSEi

I bought a relay today for mine so that I can start logging when the fuse fails.

The guys at Advance had a hard time locating the right relay... Its not listed in their computer system, I have to tell them it was the same as the Trunk release, Fuel pump, and about 4 other relays.. they finally found the right part. (yeah...they was closest to me and wanted to start working on this)

So far so good though, when they do work, I found it interesting that they only work if the light outside is dark enough. I wasn't used to this as my previous cars was not that intelligent, including my '04 GP that I had...

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2002 Bonneville SLE 128k miles aka "Frankenbonnie"
Intense PCM w/2004 improved trans shift points/180 fans-stat/+3deg timing advance/DTC inhibit
Transmission Cooler
Upcoming changes - Hi Flow Cat/Exhaust - Cold Air Kit

1993 GMC 'Burb aka "Zombie Assault Vehicle" 230k miles

I bought a new relay at AutoZone and it took them a while to find one too. Went out, pulled relay so they could get the GM number on relay and then they finally found one.

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2003 SSEi

Did you folks all solve this issue with your interior lights? My 2003 is doing the same thing. I have blown 3 fuses and changed the relay, with no luck in finding the problem. A day later my interior lights do not work at all.

Found the problem... Like many others, it was a short in one of the visor lights.