Connect the vehicle heater power cable (see Vehicle Technical Manual) to the "keyed" Heater Military Standard
(MS) Power connector (Control Box Connection). No other ground strap or other electrical connections are required. The
Heater provides full performance at 24 VDC drawing 20 amperes of current.
Figure 2-3. A-20 Global Heater
Note: The Heater will operate at voltages between 19 VDC & 30 VDC.
All vehicle wiring and fuses must be rated for 20 amperes at continuous operation!