Bully Dog 4110x Bully Dog 4 Position Chip - Manual (Page 3)

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BULLY DOG 4 POSITION CHIP INSTALLATION
WARNING: You must turn your vehicle OFF and REMOVE them completely from the ignition to
prevent power from being applied to the computer during installation� Leave them out for the
entirety of this installation process or you may damage the computer or the Bully Dog 4 Position
Chip�
ANY DAMAGE INCURRED FROM NOT FOLLOWING THIS WARNING WILL NOT BE COVERED�
Stage 1: Removing Stock Computer
1. Remove the negative battery terminal wire.
2. Locate the stock computer.
• The PCM is held in place by a 7/32” or 5.5mm bolt. (Remove
this first)
3. Use a 10mm socket to remove the wiring harness from the
computer.
• The 10mm bolt is located at the center of the wiring harness.
• As you loosen it, the connector will slowly release from the
harness.
Stage 2: Prepare the Stock Computer Connector
for Cleaning
1. Once the computer is removed, locate the end opposite the
wiring harness connector. (this usually has either a small
plastic or thin metal cover)
2. Pry this cover off gently.
• A double-sided flat electrical connector will now be exposed.
Introduction