PERFORMAX
Form No. IS148 (Rev. A 03/11/2008)
ISSPRO, INC.
2515 N.E. Riverside Way
Post Office Box 11177
Portland, Oregon 97211-1899
503-288-4488
800-888-8065
Fax: 503-249-2999
www.isspro.com © 2008 ISSPRO, Inc. All Rights Reserved.
HPOP (HIGH PRESSURE OIL PUMP) PRESSURE GAUGE AND
WIRE HARNESS INSTALLATION INSTRUCTIONS
Models: R43255 R52255 R53255 R59255 R68255 R69255 R82255
(Use on Powerstroke engines: 1993½ - 2003 7.3L, and 2003 - 2007 6.0L)
Disconnect batteries. Do not reconnect battery power until system is
fully configured to avoid risk of shock or fire.
Install Electronic Signal Processor (ESP) and ESP harness according to
instructions.
Connect the Temperature Sensor Harness to the ESP Harness as follows:
a. Remove plugs from cavities 4 and 5 of the connector D (brown) of the ESP.
b. Using a pair of needle nose pliers, pull the orange wedge lock out of connector D.
c. Insert the terminal from the black wire (sensor supply ground) into cavity 4 of connector D on
the ESP, pushing until it snaps into connector D.
d. Insert the terminal from the green wire into cavity 5 (sensor input) of connector D on the ESP,
pushing it until it snaps in place.
e. Note: Terminals will be close to flush with the top of the connector when fully seated.
f. A firm pull of the wire will confirm whether they are properly seated.
g. Push orange wedge-lock back into position. If any of the wires are not fully seated, wedge-lock
will not insert into position.
h. Reconnect connector D (brown) to the ESP.
Figure 1: Connector D top and bottom
view. Shown with plugs and wedge-lock
installed.
Figure 2: Remove plugs and wedge-lock as
shown. Wedge-lock is replaced once wires are
positioned properly.
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