$350 1999 C3500 CCLB

[White96k2500]

So far it looks to be very tough. In fact I needed to touch up a bad spot on the glove box door, so hit it with a red scotch Brite, and the paint didn't come of very easily, and I had just sprayed it the day before. I've been very impressed with it toughness.

I may be doing this in the future, thank you!!

 

[Dropped88]

Curious what caused the security light? My small block might not like that too much lol

I forgot i changed the column at the same time and the passlock part of it aint happy

 

[frito-bandito]

I forgot i changed the column at the same time and the passlock part of it aint happy

Lmao, another future plan of mine lol

 

[Dropped88]

Lmao, another future plan of mine lol

just change over electrical part on column for passlock and youll be fine

 

[Dropped88]

Ok on to dash pull

pull 3 bolts across top of dash first to hopefully not cause any more cracking of the dash

remove steering column completely is best and isnt hard to do

the harness stays with dash so disconnect main plug at bulk head. its the main plug going in on driver side of firewall center bolt is a torx bolt (I dont remember size because i didnt completely remove dash this time) and 2 diagional bolts holding the dash side of connector to the firewall. You can see 1 to the right of center in pic. also theres a few random connector below that get disconnected

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Next is 2 bolts below the cluster which you get when you pull the column. and the 3rd is 13mm straight up at corner of dash where it hinges
will also be a few connectors, different years, different options so i cant account for exact

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Pass side there is 3 more bolts and the dash will swing down, 2 are below the air bag/pocket and the 3rd is at bracket where dash swings on also a couple more electrical connectors behind the glove box

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Dash will swing down make sure you got all the connectors and pull the dash out usually takes me about 30-45 mins to get it out

 

[Dropped88]

Got the p/w and p/l swap done and its a pita compared to others ive done. mainly pulling floor harness segment up through the firewall and the main connector for dome lights and such. But everything else was plug and play

Little bit of info if your harness comes from one with a factory amplifier and your not gonna use amp then you gotta bypass it for rear door speakers to work

amplifier connector its behind dash, right of the column

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Plug is numbered, looked up diagram and found what went where. I cut power and ground to different lengths and tied rest wires in and completely removed connector

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Now after all that. fought the harness a little getting it in plugged it all in that part was plug n play, added fuses, all the windows worked and the lock actuators tried but they are gonna need replaced.

And for the crappy part of the swap this connector is the only thing different which feeds the dome lights, lights for switches, and few other things that ill find out if i need when i get diagrams. but big connector to right is the new harness and the small plug is from the original harness
And for the record mine is a 99 c3500 and donor was a 99 suburban LT k1500

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Almost forgot another plus ill have keyless entry too once i order a fob

 

[Stumpy]

the harness stays with dash so disconnect main plug at bulk head. its the main plug going in on driver side of firewall center bolt is a torx bolt (I dont remember size because i didnt completely remove dash this time) and 2 diagional bolts holding the dash side of connector to the firewall. You can see 1 to the right of center in pic. also theres a few random connector below that get disconnected

I was aware of this method, and started to go that route, but getting to that main plug and separating it is a PITA. If you're putting the same dash back in, I can see the benefit of doing it that way, but knowing I was going to be transferring stuff from my old dash to the new, the way I did mine just made more sense.

 

[Dropped88]

I was aware of this method, and started to go that route, but getting to that main plug and separating it is a PITA. If you're putting the same dash back in, I can see the benefit of doing it that way, but knowing I was going to be transferring stuff from my old dash to the new, the way I did mine just made more sense.

Oh thats understandable. You got it done its all that matters

 

[frito-bandito]

Either way, this is one of the best write ups I’ve seen on removing the dash yet

 

[disturbed187]

I forgot i changed the column at the same time and the passlock part of it aint happy

Just start truck and unplug pass lock.