'7427 PCM not receiving brake switch input

**brian617** · 11-02-2021

The later DRAC is capable of outputting either 2000ppm or 4000ppm.

There are some diagrams in this thread,

http://gearhead-efi.com/Fuel-Injecti...t=drac+diagram

**Daveo91** · 11-03-2021

Originally Posted by brian617

The later DRAC is capable of outputting either 2000ppm or 4000ppm.

There are some diagrams in this thread,

http://gearhead-efi.com/Fuel-Injecti...t=drac+diagram

Awesome! It looks like my '94 vintage DRAC should be able to supply the 4K output then. The diagram in that thread shows that it would go to terminal C4. Thanks.