Lull 944E-42, Service Manual

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9.77 Model 644E-42/944E-42 Rev. 6/04
Electrical System
Check 40 amp open cab
vehicle main fuse (F1) and 15
amp ignition control fuse (F2).
Check that transmission gear
select lever is in the
NEUTRAL DETENT (N)
position.
Engine will not crank or
starter solenoid does
not engage.
Check that parking brake
switch is engaged.
Check battery for proper
charge and that connections
are clean and tight.
With ignition switch in start
position, check starter
solenoid terminal, wire
[ST2] (BLU) connection for
battery voltage.
Replace starter.
Check for battery voltage at
starter positive (+) battery
post (RED cable). Check
negative (-) cables for proper
ground and that they are
clean and tight.
Continued on 9.79
Clean, tighten and recheck.
If OK
Not
OK
If OK
If OK
If OK
If OK
If OK
Before troubleshooting any
electrical circuit, ALWAYS
begin by checking the
following:
1. All connections relating to
circuit are clean and tight.
2. All grounding straps are
intact and securely
fastened, refer to Section
9.1.12, “General Overview
(Vehicle Ground Strap
Locations).”