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passenger climate control switch

parkav

Full Member
141
3
18
Austria
Buick Ownership
Buick Park Avenue `95; Chevrolet Trailblazer `02
Hi; at my 95 PA the passenger climate control switch dont works correct, sometimes its on but it cant be regulated, and sometimes it stays dark, i have checked it with another passenger climate control switch but its the same.? can somebody help me?
i cant also find a wiring diagram.....
 

Andy91

Buick Newbie
14
2
3
Croatia (Europe)
Buick Ownership
'91 Park Avenue
Hi, I have a wiring diagram and electrical diagnosis book for 1991. Not sure if they changed anything for 1995 but if it helps you I can post photos...
 

Andy91

Buick Newbie
14
2
3
Croatia (Europe)
Buick Ownership
'91 Park Avenue
Ok, here it is.

I can only attach 10 photos in one post so here is the first part...

IMG_20191110_172409.jpgIMG_20191110_172431.jpgIMG_20191110_172608.jpgIMG_20191110_172626.jpgIMG_20191110_172651.jpgIMG_20191110_172717.jpgIMG_20191110_172736.jpgIMG_20191110_172747.jpgIMG_20191110_172813.jpgIMG_20191110_172829.jpg
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Andy91

Buick Newbie
14
2
3
Croatia (Europe)
Buick Ownership
'91 Park Avenue
And the second part.

If you look at this video:
you can see that the climate system has been changed with the years, but maybe it will help you locate the problem.

IMG_20191110_172858.jpgIMG_20191110_172909.jpgIMG_20191110_172937.jpgIMG_20191110_172946.jpgIMG_20191110_173025.jpg
 

parkav

Full Member
141
3
18
Austria
Buick Ownership
Buick Park Avenue `95; Chevrolet Trailblazer `02
at my passenger climate control assembly connector the colours of the cable are different, but thanks.
port
A is DK/BRN
B is BRN
C is PPL
E is BLK/WHT
F is a thick BLK
G is GRY
H is a thin BLK.
On A and E i have ignition +, at B,C,G,H ignition -.
maybe someone can help me with this informations.
 

parkav

Full Member
141
3
18
Austria
Buick Ownership
Buick Park Avenue `95; Chevrolet Trailblazer `02
update; i have found teh mistake; the HVAC programmer, with another programmer everything works correct
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