This was done on my 1997 Buick Century. This is a fairly straightforward procedure, and should cover multiple applications. Just be careful removing the inte…
Replacing Multi-Function Switch on 97-05 Buick Century
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if you replace and re solder the 4 Transistors On the Cluster Board , That Will Fix The PRND21 And Mileage Lights !
Thanks! – I’ll let you know how I make out.
No the green an black harness was just hanging!? And cruise control works fine?? Idk I’m lost lol
Double check your switch connections where you had to remove the bolt to remove the set of 2 electrical connectors. If that seems okay, check all of your fuses.
Make sure your car has cruise control. Did you actually unplug it when removing the old one? The wires should be hanging down above/near the steering column if you did.
Awesome! I’m glad the video gave you the courage.
I can’t find where the green an black harness plugs into???? Please help lol
Add me to those in your debt. After seeing your video I decided to tackle the problem myself on my 2002 Century. I’m no mechanic but your instructions made it very straightforward…and saved me a ton. Thanks again.
Now I have a new problem though – all the instrument panel lights are out. They were working fine after I replaced the multi-function switch – except for the gear shift indicator, which didn’t work when I got the car – but now I’ve got nothing. Wondering if I jostled something loose while doing my repair – has anyone found a diagram that shows which wires control dashboard lights?
Matt – I paid $50 for my multi-function switch at a local junkyard. I also found it on eBay for about the same price.
You’re welcome, Eileen! Thanks for the feedback.
Thanks again!!
That’s great! Add yourself to the list of people who didn’t pay almost $1,000 for this repair.
thanks for taking the time to make & post this video – it made the job easier for me. @Matt – I paid $50 for the part at a local junkyard. I shopped around on-line and prices ranged from $47 (on eBay) to almost $300! My tip-off that it was the switch and not bulbs/fuses was that the lever didn’t ‘click’ or stay in place when trying to turn on high beams…
how much did the part cost?
Hey, great vid. I have a 99 Buick century. Thanks 2 your video, replacing my own dimmer switch was a lot easier. After I put in the new switch, my DRLs and my high beams worked fine, but my front turn signals no longer work. Is it possible that i may have the 2 end pieces (the black and grey) in the wrong spots. Right now the grey is at the bottom and black is on top.
Thank you I appreciate the reply. If you have any tips besides be careful I’d appreciate it :). Also I’m trying to clean the car to as close to new as possible. A detail clean have you done this before? I didn’t see videos for it.
It sounds like you have a few issues there. I haven’t had to do either of those repairs, so I can’t help there. As for the mirrors, you will probably just have to get a entire replacement mirror, which is fairly cheap. Just make sure it’s the motors, and not the switch itself (which is more likely).
My Dashboard no longer lights up on my Buick and it doesn’t seem to be a fuse
Also the motors in the mirrors have gone out have you fixed this before?
You’re welcome! It sounds like you have the exact same symptoms I had. Good luck with the installation.
Thank you for taking the time to video this procedure. I am about to replace the switch on mine. The High Low beam switch stopped working on my 2000 Century. Only lets me flash the high beam. Found the part at:am-autoparts
It is the one with cruise control in the switch as well.all the other functions.
Thanks again
Cool thanks… I’ll check all that first. I’ll let you know.
Ya, luckily my car has very little flaking (almost none)… but I’ve seem some that are very bad! I’ve heard that high pressure car washes/wands are not helpful, so I try not to use them.
Make sure all of your body ground wires are secured properly, and not loose/corroded. You will find them coming off of the wire harness going to your lights, and screwed to the body/sub-frame near the lights themselves. The wires will be black. Make sure there are no other bulbs out as well. It could also be the flasher relay located in the fuse panel area. There IS a chance that it’s the multi-function switch, but I would check those other things first. As for the paint, you’re screwed!
I’ve been driving Toyotas for 2 years now, and I love them!
Also, flaking paint.. a common problem with these models… any ideas on how to contain that?
Thanks for the vid… very helpful. I’ve got the same car/year and the left turn signal used to work, then only worked %50 of the time, now… not at all. The dash signal just flashes really fast, indicating something is wrong. I tried a new bulb and swapped the sockets but still no go. The wires looks great, no corrosion and it is a well kept car. The idea of paying $500 for this is just not right! Would it be safe to assume that the problem is the multi-switch? I think it must be.
Great video, this is the reason why for the past 20 years I keep on buying toyota vehicles
That’s great! Were you able to leave the steering wheel and airbag on as well?
Hey man, thanks so much for your video. I replaced the dimmer switch on my old grand am and it is close to the century, without removing the dash panels. I learned a few tricks that will be helpful to a shadetree mechanic like myself. Keep up the good work!
I’m still not sure that I will attempt this repair. The place I usually take the car said it would be $550, but most of that was for the $400 switch! I think if I get the switch they will do the repair for me…maybe $150 or so. Thanks for the video. This will help me decide if I want to do the repair or not.
Yeah, the Haynes and Chiltons manuals are only good for minor repairs and locating components. Mechanics love to charge an arm and a leg for repairs, so hopefully you will not have to the next time! I’m glad you found the video useful.
Thanks man for making this video. I had to replace this twice on my 99 regal ls at the dealership for $500 each time and the reason I went because I didn’t have a clue on how to change the switch even though I work on my own cars. Those books you get from Autozone is worthless on some jobs on cars. Thanks again now I have a reference when this thing acts up again.
You’re welcome! I’m glad the video helped you with your repair.
Thanks very much for the info and the bolt sizes. Helped me alot today on my switch replacement.
I could have *shown* how to remove all *of* the panels I removed individually, but I felt it was unnecessary. It’s incredibly easy to figure it out. Multiple people with little to no mechanical aptitude seemed to handle it just fine in the comments. Maybe it’s just you? Thanks for the feedback!
You should have showed how to remove all the panels you removed individually…. Thanks for nothing!