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 Climate control problem after head unit install

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Sag
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Name : Martin
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PostSubject: Climate control problem after head unit install   Mon Oct 29, 2007 1:07 pm

I've changed the head unit recently and noticed the climate control
switches on the steering wheel d'ont work anymore,is there a wire
i forgot to replog i woud like to know before removing the dash once more,
i don't want to loose another hour for nothing bonk
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AA
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PostSubject: Re: Climate control problem after head unit install   Mon Oct 29, 2007 1:12 pm

quote: "is there a wire i forgot to replog"

I'm betting the farm this is likely the problem!

_________________
'98 SC Riviera 281k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch

^^^ SOLD ^^^ frown

'05 GTO 85k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe 116k miles 455 Rocket V8
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Sag
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PostSubject: Re: Climate control problem after head unit install   Mon Oct 29, 2007 1:15 pm

Ok tanks i just wanted to be shure,you know motivation is hard to find
when i think about this dash!
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AA
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PostSubject: Re: Climate control problem after head unit install   Mon Oct 29, 2007 1:23 pm

Can't hurt to check fuses first, but you said the AC works, just not the steering controls.

_________________
'98 SC Riviera 281k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch

^^^ SOLD ^^^ frown

'05 GTO 85k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe 116k miles 455 Rocket V8
Because cool


'95 Celica 152k miles 0-60: yes
Because free
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http://www.cardomain.com/ride/657082/4
Sag
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Name : Martin
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PostSubject: Re: Climate control problem after head unit install   Mon Oct 29, 2007 1:26 pm

Exactly,i think i just reasembled too fast i hate to see my riv
without parts lol.
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Mr.Riviera
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PostSubject: Re: Climate control problem after head unit install   Mon Oct 29, 2007 6:49 pm

do the other steering wheel controls work just not the temp control? did you get the pac swi-x controller?
the only 2 things that are unplugged are the headlight knob and trac/odo reset buttons. is there a wire in the gm harness that controls temp?

_________________
1996 with 254k miles, L324" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP
AMG C400 White on black -daily
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Sag
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PostSubject: Re: Climate control problem after head unit install   Tue Oct 30, 2007 11:53 am

I've changed head unit and removed the climate control
to remove the */"!$$%%? of unusefull metal backing i was
just no shure if i had forgot to replog something tanks.
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oldsman105
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PostSubject: Re: Climate control problem after head unit install   Tue Oct 30, 2007 11:57 am

Wait did you replace it with a aftermarket unit or stock . If with a aftermarket unit the you need a Pac swi-x like Mr.Riviera said.
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Sag
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PostSubject: Re: Climate control problem after head unit install   Tue Oct 30, 2007 12:01 pm

Wat is a Pac swi-x,i understand the radio controls but the climate
control??
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PostSubject: Re: Climate control problem after head unit install   Fri Jul 04, 2014 12:50 pm

Just want to add to this thread for the record...

I recently took my stock stereo out to see what I am working with for the stereo project. I was just running with the thermostat and no stereo for a week. The steer wheel thermostat controls would not work when I had just the thermostat powered up. I plug the stereo back in and then my thermostat controls are back.

So, it seems like the circuit is not complete until it runs through the stereo. Anyone else have experiences like this?
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PostSubject: Re: Climate control problem after head unit install   Fri Jul 04, 2014 4:26 pm

Yep that's how it is. That's why when you upgrade to a new headunit you need to buy the PAC adapter for that headunit otherwise you lose all steering wheel controls.
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PostSubject: Re: Climate control problem after head unit install   Mon Jul 07, 2014 2:34 pm

charlieRobinson wrote:
Just want to add to this thread for the record...

I recently took my stock stereo out to see what I am working with for the stereo project. I was just running with the thermostat and no stereo for a week. The steer wheel thermostat controls would not work when I had just the thermostat powered up. I plug the stereo back in and then my thermostat controls are back.

So, it seems like the circuit is not complete until it runs through the stereo. Anyone else have experiences like this?

As this thread tells it - you will need to wire in an adapter to keep those controls working. The steering wheel controls are all run through 1 wire with different resistances in the switch itself. The OEM radio measures the resistance and determines if it's supposed to turn the volume up or down or whatever, or send a signal back out to the HVAC.

Little known fact - the PAC adapter has a number of functions it's aware of. You can basically tell it that your steering wheel controls are anything you want, i.e. you can tell it that Volume UP is really volume DOWN etc. during it's learning procedure. Of course you wouldn't want to do that (unless it's your older brother's car), but you can also tell it that some of the buttons are Fan up and Fan down if you want to control something different. (Oldsmobile had fan up and down switches on the steering wheel). The only thing really confusing is that your steering wheel buttons are then labelled wrong, but someone with enough creativity can overcome that.
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Abaddon
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PostSubject: Re: Climate control problem after head unit install   Mon Jul 07, 2014 2:50 pm

Yep. Need stock radio or adapter to keep Steering Wheel Controls. I never bothered to get the adapter with mine. Doesn't bother me a bit.
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PostSubject: Re: Climate control problem after head unit install   Mon Jul 07, 2014 2:55 pm

Abaddon wrote:
Yep. Need stock radio or adapter to keep Steering Wheel Controls. I never bothered to get the adapter with mine. Doesn't bother me a bit.

+1. It's really not that hard to reach over 2" and adjust the volume. That and since we have automatic climate control it's not like we need to mess with it much either. The only time I could see it possibly being useful enough to buy is during the winter when my hands are frozen to the wheel.
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