What did you do to your NNBS GMT900 Tahoe/Yukon Today?

[iamdub]

Troof and science.

Hasn't failed me yet! Y'all know I'm testing it.

 

[Doubeleive]

I'd rather you hang out the back recording with the tailgate up. I'll have one hand on the wheel and the other on your bootstrap.

meh. ok that works too

 

[swathdiver]

Cool weather and clear skies today, going to work on the 14-bolt axle in a few hours.

 

[mikez71]

Did my Auto (CJ2) to Manual (CJ3) climate control conversion!

Basics are working as you would expect EXCEPT..

Rear seat temperature control goes from +0 to +12. Not sure how/if that works.
No Outside air temp display in dash, shows ---. I have to wire that up. (J2-4, L-GN/BK to J2-9) The '07 pigtail I had was missing the wire, so I need to get an extra terminal.

 

[89Suburban]

Did my Auto (CJ2) to Manual (CJ3) climate control conversion!

Basics are working as you would expect EXCEPT..

Rear seat temperature control goes from +0 to +12. Not sure how/if that works.
No Outside air temp display in dash, shows --- . Beleive I have to wire that up. (J2-4, L-GN/BK to J2-9) The pigtail I had was missing the wire, so I need to get an extra terminal.

Please do a detailed write up for this!

 

[mikez71]

Please do a detailed write up for this!

working on it, but here's the basics..

HOW TO: Convert CJ2 automatic -> CJ3 manual climate controls

1. Remove radio trim. (plastic prybar) 2. Remove switchbank under hvac controls (7mm socket) 3. Remove HVAC module. (7mm socket) 4. Re-pin/de-pin ~11 wires shown below (pin removal tool or fine pick) 5. Splice illumination wire (YE) from J1-4 switchbank plug to J2-1 HVAC module. (2' of wire and...

www.tahoeyukonforum.com

 

[j91z28d1]

that does seem interesting. why is it done? cheaper to replace or just dislike the automatic hvac stuff.

 

[89Suburban]

working on it, but here's the basics..

HOW TO: Convert CJ2 automatic -> CJ3 manual climate controls

1. Remove radio trim. (plastic prybar) 2. Remove switchbank under hvac controls (7mm socket) 3. Remove HVAC module. (7mm socket) 4. Re-pin/de-pin ~11 wires shown below (pin removal tool or fine pick) 5. Splice illumination wire (YE) from J1-4 switchbank plug to J2-1 HVAC module. (2' of wire and...

www.tahoeyukonforum.com

Appreciate it. Really want to do this.

 

[89Suburban]

that does seem interesting. why is it done? cheaper to replace or just dislike the automatic hvac stuff.

I want knobs, I hate the auto crap and the digital temp adjustments that move at a snails pace.

 

[j91z28d1]

I want knobs, I hate the auto crap and the digital temp adjustments that move at a snails pace.

I will say my auto doesn't work worth a crap. I find myself adjusting all the time. my other car that has auto I just set a temp and forgot.

I could see swapping it over annoying