Bully Dog 4161x 4-Bank 6-Position Chip - Manual (Page 10)

9
inSTAllATiOn STePS
dIsassemble ecu to clean contact poInts early ’99-‘03
In these steps you will disassemble the ECU and clean the contact points.
IMPORTANT: The steps on this page are performed on Early ‘99-’03 vehicles only. If your vehicle is not an Early ‘99-’03
skip this page.
1. With the ECU on a flat surface, remove
six 5.5 mm bolts on the top half of the
ECU.
2. Remove the top cover.
3. Gently remove the bottom cover as well.
4. Locate the contact point where
the 6 Position chip will plug in.
5. Clean both the top and bottom
of the contact points. Ensure that
the pins on the ECU are showing
copper.
NOTE: Most initial issues with the chip not working after being plugged in are caused because the contact
points were not clean enough. A solid connection between the 6 Position Chip and the contact points is
required in order for the chip to function correctly. The best way to clean the contact points is to scrape
the silicon with a sharp knife or razor blade. Then take a Scotch bright pad to remove the remainder of the
silicon so that the copper connections are exposed.