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Interior dash board lights


Ryan McNeill

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Do you have a 1969 Buick factory Chassis Service Manual? The one the Buick dealer mechanics used. If not you should get one. They're frequently on ebay.

 

The CSM is divided into sections covering all aspects of the car and has an electrical and instrument panel section. That section should have info on dash lighting replacement, bulb specs and numbers, and if any disassembly is required to get to the bulbs.

 

Sometimes it's as simple as reaching up behind the dash. Other times you may have to move something out of the way especially on air conditioned cars. That's where the CSM pays for itself.

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If no one else will speak up... I'm no Buick expert but if they are like other GM cars of the period the dashlight bulbs are held in plastic sockets that screw into the back of the panel with 1/4 turn. You can reach up behind the dash and take them out, replace the bulb and put them back. Not easy to see them or get at them but can be done. Be sure to use the exact same bulb, they use different bulbs different places to get the right amount of light everywhere.

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Follow SebastienBuick's 69 Electra restoration thread down in the Buick Forums. Good folks down there who will help and probably know exactly how to get at those bulb sockets Rusty mentioned (I'm an Olds guy). If you find one broken or burnt they're available in most auto parts stores.

 

Sebastien is young and he's doing that Electra in France.

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  • 2 weeks later...

Also check the headlight switch rheostat.  Do the lights brighten and dim fairly linearly when rotating the headlight switch?  If not, try moving the dimmer control back-and-forth a few times to hopefully wipe some of the oxidation away.  If dimmer operation is erratic, you may need to remove the switch and use some contact cleaner.  Note that rotating the dimmer fully clockwise past the detent should turn on the dome light.

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