amp e MS3Pro ULTIMATE - Page 36

4.2 Wiring diagram 4 WIRING
The MS3Pro Ultimate also will need 12 volt constant power connected to pin 23 of the black connector. Use a 2
amp fuse. The keep alive power will allow the MS3Pro to save settings after the power feed on the white connector
is switched off.
AMP EFI MS3ProUltimate manual version 1.203, firmware 1.5.0, 5/23/2017 Page 36