Lull 944E-42 Service Manual User Manual download pdf (Page 595)

Model 644E-42/944E-42 Rev. 6/04

Electrical System

Before troubleshooting any

electrical circuit, ALWAYS

begin by checking the

2. All connections relating to

circuit are clean and tight.

3. All grounding straps are

intact and securely

fastened, refer to Section

9.1.12, “General Overview

(Vehicle Ground Strap

Locations).”

Repair/replace sensor

Dash panel charge

indicator ON continuously.

Replace alternator.

At vehicle sensor harness

connector, at pin J, wire

[AD1] (RED), check

for battery voltage.

On alternator, check wires

[AG1] (BLK) and [AG2] (BLK)

Replace dash panel.

On alternator, at terminal “B+”,

check wires [AB1] (RED) and

[AB2] (RED) for voltage output

of 14.5 VDC.

On alternator, at terminal

“D+”, check wire [AD1] (RED)

for battery voltage.

At dash panel

connector, at pin 2, wire

[D13] (YEL), check

for battery voltage.

Replace fan drive belt.

Check fan drive belt. Refer to

Section 7, “Engine: Cummins

4BT 3.9, B4.5T and QSB

Repair/replace open cab

Replace alternator.

Lull 944E-42 Service Manual User Manual Page 595