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Jerrys1990
OBS Enthusiast
·
From
Michigan
Joined
Aug 11, 2023
Last seen
May 25, 2024
Messages
57
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Jerrys1990
replied to the thread
Newer HVAC panel blinks
.
I'll be tacking my door bushings first. Since it's summer and the rig has broken A/C, the actuators aren't as concerning at this time...
May 24, 2024
Jerrys1990
reacted to
DerekTheGreat's post
in the thread
Newer HVAC panel blinks
with
Like
.
Hmm. Well, if Jerry would like to tackle that project I'd be interested in the end result. I've got a bunch of those head units on my...
May 24, 2024
Jerrys1990
reacted to
AK49BWL's post
in the thread
Newer HVAC panel blinks
with
Like
.
Very interesting. OnDemand5 is a little less clear on this point (8v vs 5v). But changing the actuators to the 92-94 versions absolutely...
May 24, 2024
Jerrys1990
replied to the thread
Cunningham Machine
.
Good Morning Jeremy, I've been scanning the Cunningham page for the bushing/pin kits, and the HD roller. Just wondering if all of the...
May 24, 2024
Jerrys1990
reacted to
Cunningham Machine's post
in the thread
Cunningham Machine
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Good Evening fellow truck buddies, I am Jeremy Rogers from Cunningham Machine. I am sure a lot of you have heard of us or use our...
May 24, 2024
Jerrys1990
replied to the thread
Newer HVAC panel blinks
.
Nice schematic. Thanks. Well shoot.....guess I need a good '90 control unit. I'll keep a lookout at the yard.....evilbay's...
May 22, 2024
Jerrys1990
reacted to
packer0440's post
in the thread
Newer HVAC panel blinks
with
Like
.
I had this problem recently on a 1990, where setting it to come out of dash vents vents would make it come out the floor vents, and...
May 22, 2024
Jerrys1990
reacted to
DerekTheGreat's post
in the thread
Newer HVAC panel blinks
with
Wow
.
The manual I've got for '88 shows the actuators running on 8V. The later trucks ('92+) ran on 5V, IIRC: So I don't think changing...
May 22, 2024
Jerrys1990
replied to the thread
Newer HVAC panel blinks
.
Tempted to try the actuators first....they're significantly cheaper than a used (and potentially bad) panel from the Fleabay.
May 21, 2024
Jerrys1990
reacted to
AK49BWL's post
in the thread
Newer HVAC panel blinks
with
Like
.
I thought maybe there was something to that different voltage thing, but at the very least according to the wiring diagrams, they get 5v...
May 21, 2024
Jerrys1990
replied to the thread
Newer HVAC panel blinks
.
Different voltages to stepper motors......is that why the doors are not landing in the correct position? Will putting actuator...
May 21, 2024
Jerrys1990
reacted to
DerekTheGreat's post
in the thread
Newer HVAC panel blinks
with
Like
.
You can swap a later head unit into an older truck. It might work for a little while, but there's a difference between the voltages...
May 21, 2024
Jerrys1990
reacted to
AK49BWL's post
in the thread
Newer HVAC panel blinks
with
Like
.
Ah yes... The 90 head actually receives a feedback potentiometer signal from the actuator - 93-94 doesn't. This doesn't affect operation...
May 16, 2024
Jerrys1990
replied to the thread
Newer HVAC panel blinks
.
Well that sucks, because another member here mentioned the 93-94 head was a bolt in deal. Also, the recirc, or MAX button, actually...
May 16, 2024
Jerrys1990
reacted to
AK49BWL's post
in the thread
Newer HVAC panel blinks
with
Like
.
Because the older version controllers and newer versions are not compatible, the wiring of the system is slightly different. Older...
May 16, 2024
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