Found another manual http://www.winfieldsupply.com/images/HV ... ctions.pdf this is a tuffy, normally the blink code is on the left re-looked it's the item number not the trouble code... Can you post a full model #?

What was the original blink code on the controller board, if you know.

Took it apart, of course the motor was on the back side. I removed the 3 screws holding the stack to the furnace and rotated the whole piece. Remove the 2 smaller Philips screws, pay attention to how it's mounted. The armature for the motor has a hole in it for the spring that pulls the damp closed....

Before I buy one, is there an installation guide?

I put together a trouble shooting guide for the 24vac Standard Coleman air blend ii. The simplest check is to turn on the fan and check the wires to the damper motor for 24vac. My wires are Gray in color. In my furnace I have a transformer that takes the 120vac and cuts it down to 24vac. It's a red ...

No continuity from the red wire nut to red wire in control box, corroded wire, fixed. Confirmed now have 24 volts ac on both gray wires pin 4 relay to damper motor and secondary side of rocker switch to damper motor. I’m assuming 7681-3231 Damper Motor 24V is what I’m looking for now? I was expectin...

Working on the air blend system. It's a standard not deluxe. It says to check for 24 volts on the relay. But which wires? It has the 7975-3771 relay, and a rocker switch for auto or off. The rocker switch checks good continuity wise. Not knowing where the 24 volts is at, I turned the fan on auto and...