Ve7800 Turbo Connection
Turbo side remote connector:
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613085-y-1024x462.jpg)
Connects here on the instrument:
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613086-y-1024x842.jpg)
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613089-y-1024x577.jpg)
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613088-y-1024x375.jpg)
Connection (Turbo side to JEB17):
Pin 1 to pin 1 (should be +24v)
Pin 2 to 5 (venting signal)
Pin 3 to 2 (motor signal)
Pin 4 to 1 (pumping station)
Pin 5 to 3 (heating)
Pin 6 nc
Pin 7 nc
Pin 8 to 4 (output rotation switch point)
Pin 9 to 5 (output collective malfunction)
Pin 10 to 7 (mass ground)
Pin 11 nc
Pin 12 nc
Pin 13 nc
Pin 14 nc
Pin 15 nc
Measurements on my (broken) system:
Pin 1 21.9 V
Pin 2 low
Pin 3 high when external pump on only (motor signal)
Pin 4 tied high?
Pin 5 low
Pin 8 low
Pin 9 low (output collective malfunction)
Pin 10 low
More turbo pics:
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613092-y-768x1024.jpg)
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613091-y-768x1024.jpg)
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613094-y-768x1024.jpg)
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613093-y-768x1024.jpg)
![](https://41j.com/blog/wp-content/uploads/2023/05/telegram-cloud-photo-size-4-6008109195393613095-y-768x1024.jpg)