Vanguard BIG BLOCK M540000, Repair Manual, Page: 135 / 168

12. Proceed as follows:
A. Cylinder 2 (Oil Filter) Side:
• Capture wire harness (ignition coil, fuel injector,
and ground wire ring terminal conduit) in double-
sided clamp ( W ). Opposite side of clamp
captures fuel rail hose.
• Start short hex flange screw ( X ) to fasten clamp
to intake manifold boss. Tighten screw to 90 lb-
in (10.2 Nm).
• Install long hex flange screw ( U ) to fasten fuse/
relay block bracket ( V ) to clamp. Tighten screw
to 90 lb-in (10.2 N-m).
B. Cylinder 1 (Starter Motor) Side:
• Capture wire harness (CKP sensor, ignition coil,
and fuel injector conduit) in single-sided clamp
( Z ).
• Start hex flange screw ( Y ) to fasten clamp to
intake manifold boss. Tighten screw to 90 lb-in
(10.2 Nm).
13. Connect fuse/relay block to cover ( J ).
14. Connect fuel pump module connector ( F ). Push in grey
secondary lock.
15. Start long hex flange screw to fasten fuel pump module
bracket and fuse/relay block bracket to cylinder 2 head.
On opposite side, start short hex flange screw to fasten
fuel pump module bracket and EFI wire harness clip
(capturing O
2
sensor and EHT sensor conduit) to cylinder
head. Tighten both fasteners to 90 lb-in (10.2 Nm).
16. Install fastener to secure EHT sensor ( I ) to cylinder 1
head and tighten to 45 lb-in (5 Nm).
17. Connect O
2
sensor connector ( H ), and install gray
secondary lock.
18. Capture O
2
sensor conduit in clip ( G ) attached to fuel
pump module bracket, if present.
19. Connect elbow spade socket terminal ( E ) to oil pressure
switch spade contact.
20. Install elbow spade socket terminal ( D ) onto starter
solenoid spade contact.
21. Connect electric lift fuel pump connector ( C ).
22. Connect main vehicle connector ( B ).
23. Install fastener to secure wire harness clip ( A ) to lifting
bracket. Tighten to 34 lb-in (3.8 Nm).
136 vanguardpower.com