Will an ext. cab from a 1992 work on a 1995?

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Steve Higgins

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I have a chance to buy a southern 1992 2WD extended cab for my 1995 4WD that is rusted beyond repair but I see the dashes are different. I am willing to change over my dash and wiring from my 1995 to the 1992, I'm just wondering if everything will fit correctly and if the holes going thru the firewall will be the same? I realize I will have to cut the hole in the floor for the 4 wheel drive shifter.

Any advice would be appreciated?

Thanks, Steve
 

someotherguy

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Pretty close. You'll need to swap out the steering column support which isn't too hard; you will have to drill a few spot welds and weld it back in or use bolts with lock nuts. The pre-95 cab won't have the oval hole in the floor for the shifter cable grommet, so that'll take some careful cutting to get it just right. Make sure you have good extended cab windows in the replacement cab because mid-94 they changed mounting design and your 95 windows will not swap over.

The firewall holes should be pretty close; the passenger side hole for the engine harness is rectangular from 91-95, driver side should be similar...you may need to drill a couple extra holes for the SRS module which is a one-year placement for 95 up on the firewall.

Can't remember if 95 gets the passenger A-pillar grab handle yet or if that's a 96 thing, but I think 95 does have it. Moving the bracket over requires drilling out the welds and you can't get to half of them with the windshield in place. To do these I just sawzall that section out of the pillar so I can put it on the drill press and get the bracket loose; easy enough to weld it into your replacement cab with windshield in place, just cover it so you don't damage it with weld spatter. Make a good template first before chopping it out so you get it back in the right place.

May be some other things I'm forgetting but you're in fairly good shape.

Richard
 

1500z71

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Pretty close. You'll need to swap out the steering column support which isn't too hard; you will have to drill a few spot welds and weld it back in or use bolts with lock nuts. The pre-95 cab won't have the oval hole in the floor for the shifter cable grommet, so that'll take some careful cutting to get it just right. Make sure you have good extended cab windows in the replacement cab because mid-94 they changed mounting design and your 95 windows will not swap over.

The firewall holes should be pretty close; the passenger side hole for the engine harness is rectangular from 91-95, driver side should be similar...you may need to drill a couple extra holes for the SRS module which is a one-year placement for 95 up on the firewall.

Can't remember if 95 gets the passenger A-pillar grab handle yet or if that's a 96 thing, but I think 95 does have it. Moving the bracket over requires drilling out the welds and you can't get to half of them with the windshield in place. To do these I just sawzall that section out of the pillar so I can put it on the drill press and get the bracket loose; easy enough to weld it into your replacement cab with windshield in place, just cover it so you don't damage it with weld spatter. Make a good template first before chopping it out so you get it back in the right place.

May be some other things I'm forgetting but you're in fairly good shape.

Richard
Correct me if I'm wrong, but don't all extended cab windows swap? I know some are glued to the cab, then some screwed shut, but most have the same option to open them? Reason I say this is because I have both a 96 and a 98 ext window on my 93 and they fit with no hassle. Found plenty more that would work as well.
 

someotherguy

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Yeah, if you take it down to the bare glass itself, the glass is the same - other than the color of it. I find that even down here in Houston where stuff really doesn't rust, the hardware almost always seizes and you often find yourself fighting the screws and rounding out the heads. :( Addtionally if the replacement cab doesn't have extended cab windows still intact, then the hardware likely isn't intact either, and the stuff from the 95 cab won't readily swap over.

So it's not really a dealbreaker if the replacement cab needs glass, just way easier IMO if it doesn't.

One potential drawback as I mentioned being the color, if it matters. Prior to mid-94, the tinted extended cab glass was the bronze mirror-ish tint; from mid-94 with the glue-on they went to a smoke tint. Every once in a great while I've seen completely clear, like on a 95 C2500 base model. Would be perfect for doing a 100% tint match to the door glass.

Richard
 

1500z71

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Yeah, if you take it down to the bare glass itself, the glass is the same - other than the color of it. I find that even down here in Houston where stuff really doesn't rust, the hardware almost always seizes and you often find yourself fighting the screws and rounding out the heads. :( Addtionally if the replacement cab doesn't have extended cab windows still intact, then the hardware likely isn't intact either, and the stuff from the 95 cab won't readily swap over.

So it's not really a dealbreaker if the replacement cab needs glass, just way easier IMO if it doesn't.

One potential drawback as I mentioned being the color, if it matters. Prior to mid-94, the tinted extended cab glass was the bronze mirror-ish tint; from mid-94 with the glue-on they went to a smoke tint. Every once in a great while I've seen completely clear, like on a 95 C2500 base model. Would be perfect for doing a 100% tint match to the door glass.

Richard
Okay yeah we're on the same page. The screws were the biggest pain I ended up going to lowes and got all new replacements because they were all stripping. For the OP, here's the difference. Top is '93 stocks with 15%, bottom is '98 stocks with 10%

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someotherguy

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The elusive all-clear extended cab glass (hinged, not the fixed glass that you could see in the very first extended cab GMT400's) on a 1995 C2500 base model. This is also the truck I scored my air cleaner housing with no provision for the hot air actuator/flap setup.

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Richard
 

Steve Higgins

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Thanks for all the replies. I did end up buying the cab!! Last night I was able to unscrew 3 of the 4 screws that hold the extended glass to the hinge, I ended up drill one of the screws out and I also drilled out the 4 rivets that held the lock mechanism to the cab.

Here's the 92 glass:

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And my 95 truck:

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I will also be removing the rear glass because I have slider from a 97.

I'm curious how the steering column will work out:

92 Cab:

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95 Cab:

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I know I will be able to make something work.

Thanks again, Steve
 

someotherguy

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The steering column setup is no problem, since your 1995 column doesn't have a plate that bolts directly to the firewall like the 1988-1994 cabs do. But as I mentioned before, you will need to drill out a few spot welds on the support bracket inside both cabs so you can swap the 1995 bracket in - the portion that has the two downward-facing studs that the column bolts to inside.

Once you've got it out just drill through so you can bolt the support back in and be sure to use lock nuts. Or if you're set up for welding, of course you can weld it back in.

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I did essentially the same swap on a 1994 cab with parts from 1996-1998 trucks, except for B-pillar plastics from a 1995 because they don't have the slots for the shoulder belt adjusters that came out in 1996.

The story of building my 3500HD wrecker, tons of pics (all thumbnailed) -> http://someotherplace.com/bb/proj/35hd.html

Richard
 

Steve Higgins

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09-08-09 Installed the freshly painted dash. This is always a bigger job on the 95-up interior than you'd think. I also had to mark and drill/slot holes in either side of the kick panel area for the short trim strips on either side of the dash; 88-94 does not use these, they're incorporated into the A-pillar trim. These short strips MUST be installed before the dash is in or it's a major PITA afterwards.
The steering column setup is no problem, since your 1995 column doesn't have a plate that bolts directly to the firewall like the 1988-1994 cabs do. But as I mentioned before, you will need to drill out a few spot welds on the support bracket inside both cabs so you can swap the 1995 bracket in - the portion that has the two downward-facing studs that the column bolts to inside.

Once you've got it out just drill through so you can bolt the support back in and be sure to use lock nuts. Or if you're set up for welding, of course you can weld it back in.

You must be registered for see images attach


I did essentially the same swap on a 1994 cab with parts from 1996-1998 trucks, except for B-pillar plastics from a 1995 because they don't have the slots for the shoulder belt adjusters that came out in 1996.

The story of building my 3500HD wrecker, tons of pics (all thumbnailed) -> http://someotherplace.com/bb/proj/35hd.html

Richard

Richard,

On your website you posted:

"09-08-09 Installed the freshly painted dash. This is always a bigger job on the 95-up interior than you'd think. I also had to mark and drill/slot holes in either side of the kick panel area for the short trim strips on either side of the dash; 88-94 does not use these, they're incorporated into the A-pillar trim. These short strips MUST be installed before the dash is in or it's a major PITA afterwards."

What short strips are you talking about?

Thanks for this pic I found on your site!!

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Thanks, Steve
 

Steve Higgins

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Okay yeah we're on the same page. The screws were the biggest pain I ended up going to lowes and got all new replacements because they were all stripping. For the OP, here's the difference. Top is '93 stocks with 15%, bottom is '98 stocks with 10%

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Hey,

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That's what I'm hoping my truck will look like when it's done, just with a 4" lift and 33's!!!

Steve
 
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