Orion 220gx Installation Manual page 30

Power Connections for 2150gx
BATTERY CONNECTIONS. For most cars, the existing
battery and charging system will handle a single 2150gx
amplifier. If two or more amplifiers are to be used (or if the
headlights dim when the amplifier is cranked up to full
power), use two batteries connected in parallel as shown in
this diagram. (Refer to the discussion on page 27.) A heavy
duty fuseholder and fast blow 40 ampere fuse is provided
with the amplifier. Install the fuseholder at the battery
positive terminal. Always connect the power cable assem¬
bly directly to the battery.
Do NOT connect to the car fuse
panel.
If the batteries are not installed side-by-side as shown
here, install a heavy duty fuse in the hot lead between the
two batteries. Also, install a ground strap for the second
battery. Always replace the fuse with the same fast blow
current rating as the one supplied with the amplifier.