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I N S T A L L A T I O N
NOTE: Although attaching the Juice cable to the VP 44 pump control wire
is optional; not tapping into the VP 44 pump prevents the Juice module from
increasing the output of the Cummins engine to it's full potential and will
result in limited horsepower and torque gains. In order to control the pump
more directly, the Juice module needs to be electrically attached to the VP 44
pump. In order to attach the module to the VP 44 pump, the control wire must
be pierced with the Posi-Tap® wire provided on the Juice harness.
The following fi gures 7-9 show how to connect the Juice to the Bosch VP 44
high pressure pump and how and where to attach the Posi-Tap® connection.
Figure 8 is a Bosch VP 44 pump that has been removed from a truck. This is
the same pump used on Cummins engines for model year trucks from 1998.5
to 2002.
1. Unbolt and remove the casting that
attaches to the Throttle Position Sen-
sor (TPS) housing to expose the fuel
pump and the associated control wire.
(Figure 7)
2. Using a sharp knife or razor, care-
fully slice back the insulation that cov-
ers both pump wires contained in wire
bundle number one (see fi gure 8).
3. Locate the TOP injection pump wire
identifi ed in Figures 8 & 9.
NOTE: This will be the wire on the top, closest to the engine block when the
pump is installed on the truck.
4. Unscrew the "top" of the Posi-Tap® and place the wire to be tapped in the
slot provided in the cap.
Figure 8 - VP44 Fuel Pump
12
CONNECTING TO INJECTION PUMP
D o d g e
I n s t a l l a t i o n
Remove
Figure 7 - Throttle Position Housing
Wire Bundle 2 (Do Not Modify)
(Modify this wire)
Wire Bundle 1
J u i c e
I n s t r u c t i o n s
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