Paxton Superchargers GM 8.1 HD Truck/SUV - Manual (Page 45)

18-1
P/N: 4809642
©2004 Paxton Automotive
All Rights Reserved, Intl. Copr. Secured
28SEP04(4809642 v1.2)8.1GMTruck
Section 18
WATER PUMP WIRING
18.1 WATER PUMP WIRING
A. Mount the supplied water pump relay in the
same location as the fuel pump relay. (See
Fig. 11-a.)
B. Connect the red 12 gauge wire from termi-
nal #30 to the supplied fuse holder using the
supplied butt connector. Install a yellow ring
terminal on the other end of the fuse holder
and bolt to the fuse box power supply. (See
Fig 11-a.)
C. Feed the yellow wire from the relay terminal
#85 into the fuse box. Route the wire to the
yellow wire from the fuel pump relay. Tap
into the line using the supplied “T” splice
connector. (See Fig. 11-a.)
D. Run the black wire from terminal #86 on the
fuel pump relay to ground.
E. With the long red 12 gauge wire connected
to water pump relay #87, route the free end
down along the fender well and under the
base of the radiator over to the positive
(blue/green) wire on the water pump and
connect the two wires. Secure as necessary
to avoid heat and sharp edges.
F. Run the negative brown wire from the water
pump to a clean ground.
(+) BATTERY TERMINAL
GROUND
87
TO MODIFIED FUSE
TAP ON FACTORY
FUEL PUMP RELAY
87A
85
30
86
(+) TERMINAL ON T-REX FUEL PUMP
PAXTON SUPPLIED FUEL
PUMP RELAY
Fig. 18-a