First off, this is an intermittent problem that doesn't seem to have a cause. Sometimes after I'm driving and I put it into park and sit there, my dash lights including center console and headlights turn on and off. Sometimes they simply turn off and sometimes they flicker fast and other times it's like Moores code. If I manually turn on lights they work. Or if I switch it into gear they come back on. Also notable is my aftermarket radio stays lit.
Only test I could do was for alternator and they said it runs great. Totally lost on this one.

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Dan

Scurro

There could be a corroded and loose ground bar. You may want to check your battery connections etc. Just a chance. I looked up how to and found a loose ground. That solved my electrical problems.

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2001 Bonneville SSEi. 1598xx mi.
great car. Wrecked


Burnt Bonny.

Note if you pull the injectors to obserbe fuel delivery...make sure you leave the plugs in and disconnect the ign. Believe me

Any idea where to start? Where are ground bars?

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Dan

Scurro

You could do a search and find out where they all are. The one I had problem with was under the molding that runs along the bottom of the driver door

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2001 Bonneville SSEi. 1598xx mi.
great car. Wrecked


Burnt Bonny.

Note if you pull the injectors to obserbe fuel delivery...make sure you leave the plugs in and disconnect the ign. Believe me

So far I am problem free now after replacing the battery. Apparently the ignition system tests didn't catch that the battery was running at only 440 cca instead of its sticker value of 770. But the problem was intermittent so ill watch it for few more weeks.

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Dan

Scurro

I am happy you got it working right.

Kris

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2001 Bonneville SSEi. 1598xx mi.
great car. Wrecked


Burnt Bonny.

Note if you pull the injectors to obserbe fuel delivery...make sure you leave the plugs in and disconnect the ign. Believe me

I have had the same problem. When out of PARK, everything worked fine. In PARK, my headlamps would randomly turn off and my dash lights would illuminate to full brightness. I made attempts to track this down for a very long time, including swapping the Dash Integration Module. Finally it happened again when I coincidentally bumped the Twilight Sentinel control. From what I can tell it seems to be related to a dirty potentiometer in the control. I purchased a new one from my dealer and have never had a problem since. Looking back it seems to make sense since this does tie into the the applicable lighting circuits and how they function.

Intermittent problems are a real PITA!

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Bose Luxury Sound System w/Touch Screen Navigation, Addition of Factory XM, 2005 MY Antenna, OnStar Upgrade (3G),
RainSense Wipers, Backup Camera, '00 Style Door Panel Courtesy Lights, Heated Washer Solvent, 2X Remote Trunk Release,
Turn Signal Mirrors, Center Console Courtesy Lamp, Rear Outboard Heated Seats, PVD Chrome 18" Factory Rims, Upgraded
Carbon Fibre Appearance Interior Trim, Highly Modified Main Body Harness, Instrument Panel, Door, Door Panel & Headliner
Wiring Harnesses, Custom Fuse Box & Tire and Loading Information Decals, Additional Acoustic Insulation[/size][/color]

Woah! A legend returns.

_________________
-Car Guy Carl
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles

LOL

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Bose Luxury Sound System w/Touch Screen Navigation, Addition of Factory XM, 2005 MY Antenna, OnStar Upgrade (3G),
RainSense Wipers, Backup Camera, '00 Style Door Panel Courtesy Lights, Heated Washer Solvent, 2X Remote Trunk Release,
Turn Signal Mirrors, Center Console Courtesy Lamp, Rear Outboard Heated Seats, PVD Chrome 18" Factory Rims, Upgraded
Carbon Fibre Appearance Interior Trim, Highly Modified Main Body Harness, Instrument Panel, Door, Door Panel & Headliner
Wiring Harnesses, Custom Fuse Box & Tire and Loading Information Decals, Additional Acoustic Insulation[/size][/color]

Can we get a whoring out of your GXP?

_________________
-Car Guy Carl
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles

I'll see what I can do

_________________

Bose Luxury Sound System w/Touch Screen Navigation, Addition of Factory XM, 2005 MY Antenna, OnStar Upgrade (3G),
RainSense Wipers, Backup Camera, '00 Style Door Panel Courtesy Lights, Heated Washer Solvent, 2X Remote Trunk Release,
Turn Signal Mirrors, Center Console Courtesy Lamp, Rear Outboard Heated Seats, PVD Chrome 18" Factory Rims, Upgraded
Carbon Fibre Appearance Interior Trim, Highly Modified Main Body Harness, Instrument Panel, Door, Door Panel & Headliner
Wiring Harnesses, Custom Fuse Box & Tire and Loading Information Decals, Additional Acoustic Insulation[/size][/color]