Bully Dog 4161x 4-Bank 6-Position Chip - Manual (Page 5)

4
inSTAllATiOn STePS
removIng the ecu from the engIne bay fIreWall ‘94-‘97
In these steps you will remove the ECU from the firewall.
IMPORTANT: The steps
on this page are for
’94-’97 model vehicles.
If your vehicle is not a
’94-’97 skip the steps on
this page.
1. Disconnect the battery.
2. Locate the back side of the ECU on the firewall closest to the wheel-well in the engine bay.
3. There is a 10mm bolt that needs to be removed from the back side of the ECU. The 10mm bolt is located in the center of the
housing.
4. Remove 10mm nuts that hold the ECU in place at the top and bottom of the ECU seal.
5. Slide the ECU out from the firewall.
ECU on ‘94-’97 vehicles
ECU with Seal Removed ECU pulled out half way
10 MM Bolt
10 MM Bolt
ECU