User's Manual

8
6.0 GM 2005-06 LS2 SYSTEM WIRE HARNESS INSTALLATION INSTRUCTIONS
6.1 CONTENTS OF THE 60520-21 WIRE HARNESS KIT
Take inventory to see that you have everything you are supposed to have in this kit. If anything is missing, contact
the dealer where you obtained the kit or contact Painless Performance at [phone]. The kit should contain the
following items:
~ The main fuel injection wire harness.
~ Fuel Injection Installation Instructions P/N 90543 (This Booklet).
~ 4” & 7” tie wraps.
~ TAC Module to Accelerator Pedal Pigtail
6.2 SPECIFIC CIRCUIT CONNECTIONS
Note: If you have not already done so, read sections 4.0 and 5.0 of these instructions and think
through the installation of the harness before securing or cutting any wires.
6.2.1 DASH SECTION INSTALLATION
The wires in this group consist of the diagnostic link connector (DLC) (SEE FIGURE 6.1), the check
engine light (pre-mounted into a mounting bracket), cruise control wires, gear indicator switch wires, clutch
pedal position wires, brake switch wires, fuse block ignition wire and tachometer wires.
Note: You may need to connect the check engine light wires to their mates in the wire harness.
Note: Wire color (Example: Blk/Wht) is a black wire with a white stripe. The second color (the
stripe) may not be bold. Observe all two-color wires closely.
Note: All connectors are labeled on the harness.
Note: All individual components are labeled on the harness.
CAUTION: DO NOT MAKE ANY CONNECTIONS WHILE THE COMPUTER IS PLUGGED
INTO THE HARNESS.
FIGURE 6.1 DLC Connector & Check Engine Light