North Star 157102 Owner's Manual page 9

3. Connect pump
to 12 Vdc
power supply
Installation (continued)
Connect the pump to a 12 Vdc power supply using the following procedure:
a) Strip off about 1/2" of insulation from the end of each power supply
wire.
Position the pump's red wire parallel with the positive (+) wire from
b)
power supply. Secure using a twist-on wire nut.
Position the pump's black wire parallel to the negative (-) wire from
c)
the power supply. Secure using a twist-on wire nut.
WARNING: Always connect in this sequence to avoid possible shock.
157102
157103
&
157104
Negative (black)
Negative (black)
9
Positive (red)
Positive (red)