Replaces
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Hi, I'm Mike Green. I'm one of the owners of 1AAuto. I want to help you save time and money repairing and maintaining your vehicle. I'm going to use my 20 plus years experience restoring and repairing cars and trucks like this to show you the correct way to install parts from 1aauto.com. The right parts installed correctly, that's going to save you time and money. Thank you and enjoy the video.
Okay, so part one of two, replacing the multi-function switch on this 1999 Suburban, same as any 1995 to 1998 truck as well as 1999 to 2000 heavy trucks and 1995 to 1999 SUV. The tools you need are pretty basic, an 8-mm or 5/16 wrench to disconnect the battery, flat blade screwdriver, steering wheel puller. That is the one special tool you will need. Some millimeter sockets and ratchet and a T25 Torx bit and also something to cut some wire ties.
Disconnect your battery. You can see we've disconnected the positive battery cable here. That's an 8-mm or a 5/16 wrench. You want to disable the airbag by pulling the fuse, which on this truck it's #10, airbag, so you want to use your puller here and then pull out the #10 fuse. Okay, just a regular screw driver and there's slots right in behind if you feel with your finger. You just put the screwdriver into the slot. I just kind of work it a little bit and jiggle it. You can see the airbag comes up. Then inside there's the slot. Then your airbag comes off. You unplug the airbag. You pull this little locking tab out and just pull like that and your airbag is out.
Next, is your horn wires, which is this button here and just kind of twist it and pull on it and it comes out. So I'm removing this bolt. It's a 21-mm bolt. Now I'm going to put on a steering wheel puller. This is probably the one special tool you'll need in this project and it's usually a pretty inexpensive tool to buy. Okay so here I'm just threading in the bolts for the steering wheel puller. Then I'll grab my -I'm going to tighten them up a little bit, and then grab my 7 or 5/8 wrench and you will see me pull the steering wheel off. This is the best way to get the steering wheel off obviously.
Now you want to remove this lower panel and you have to remove four 7-mm screws, one here, one here, here, and then right under the parking brake release. After you remove those seven, you just kind of pull on it firmly and it does have some clips that hold it in. So let's disconnect this air hose here. It just pulls off. That goes down the other way enough. There are two T25 Torx screws; one is to the left of center of the column, one's right in the center. There are two holes on the one that is further away. Tilt the level will just pull right out, okay. It's just kind of pushed in. That comes down and now you need a 4-mm socket. There's a 4-mm bolt here and then if you go just up to the right you can look up in there and there is a 4-mm bolt right up in here and that allows this to come up enough. I'm going to switch to a T25 Torx bit again. There's a bolt right here that comes off that holds the switch to the column. Then this is a little tricky. I'm going to take this bit. I've got 1/4 inch wrench here. I'm going to use it like this and push it down into the screw. There's a screw on top here and it holds that switch on. You push it down in. Okay and here I have a ratcheting wrench but obviously you can just use a regular 1/4-inch wrench. Then you can reach in there and undo it with your hand. That way what you are going to want to do is remove this plate down here which is four 10-mm screws, one, two, three, and four.
Once you've got that plate off, then you want to pull this little piece of duct out of here. You are going to want to remove this red screw here and then this black screw over here that holds the connector in. Those are both 7-mm. You're also going to want to cut any of these wire ties that are tying that harness together. Okay so now once you have your connector down here what you want to do is just put your screwdriver into them and then the connectors for the multi-function switch actually slide forward and out.
Now we need to unplug the cruise control and it's this little clip right here. It's plugged in there kind of like this and then this locking tab is pushed in from the back side to lock it. So you have to pull this locking tab out first and then press and pull that out. Now that I have everything unplugged, there's kind of this conduit here that I can just pull apart like a big piece of electrical tape. I can carefully pull it apart. There's my old switch removed.
So here we are. Here's our original switch, our new switch from 1AAuto, obviously, it's got this little mesh on here. You see everything is the same. It's going to bolt up all the same. One thing they did try and do is you can see on our original here it would appear that you have a bigger harness for that brake switch. Actually I'm just going to pull it out and you can see we've got plenty of harness on the new switch.
