Vanguard BIG BLOCK M540000, Repair Manual, Page: 146 / 168

2. Start by hand the 2 fasteners that secure the ECM to the
mounting bracket ( A , Figure 195).
195
NOTE: A ground wire with a ring terminal from the engine
wire harness is secured to the ECM with the mounting
fastener. The ground wire should be located on the RIGHT
side of the ECM and is secured between the fastener head
and ECM mounting tab ( B ).
3. Tighten the 2 mounting fasteners to 35 lb-in (4 Nm).
4. Connect the J1 (GRAY) ( C ) and J2 (BLACK) ( D ) wire
harness connectors to the ECM in the orientation noted
during disassembly. Press the harness connector onto
the ECM connector until it "clicks."
Fuel Pump Module
The fuel pump module is mounted to the engine in a number
of ways based on the trim and engine orientation. If your
engine is a vertical-shaft, proceed as follows. If your engine is
a horizontal-shaft engine, skip to step 3.
1. On a vertical-shaft engine, install the fuel pump module
onto the mounting bracket.
2. Start the 3 module fasteners by hand ( A , Figure 196).
Tighten to 90 lb-in (10.2 Nm).
196
3. On a horizontal-shaft engine, it may be necessary to
secure the fuel pump module to the mounting bracket
prior to installation on the engine. If this configuration
matches your engine, proceed as follows.
4. Install the fuel pump module onto the mounting bracket.
5. Start the 3 module fasteners by hand (
A , Figure 197).
Tighten to 90 lb-in (10.2 Nm).
197
6. Install the fuel pump module and bracket assembly onto
the engine support bracket.
147