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Electrical: Truck Service Manual

This document provides information about the electrical circuits and diagram for a truck service manual. It includes: 1. A table listing 99 electrical circuits identified by number and function, such as generator, battery cables, key switch, headlights, etc. 2. A note that all wires are identified by circuit number, gauge, or color and how they connect in the diagrams. 3. A statement that additional circuit identification information can be found in another document (CTS-2504). 4. A description that fuses protecting electrical units are located under the instrument panel, and a circuit breaker relieves load for headlights if shorted. 5. A recommendation to inspect the electrical system

Uploaded by

Esther Kolterman
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© © All Rights Reserved
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Download as PDF, TXT or read online on Scribd
56 views3 pages

Electrical: Truck Service Manual

This document provides information about the electrical circuits and diagram for a truck service manual. It includes: 1. A table listing 99 electrical circuits identified by number and function, such as generator, battery cables, key switch, headlights, etc. 2. A note that all wires are identified by circuit number, gauge, or color and how they connect in the diagrams. 3. A statement that additional circuit identification information can be found in another document (CTS-2504). 4. A description that fuses protecting electrical units are located under the instrument panel, and a circuit breaker relieves load for headlights if shorted. 5. A recommendation to inspect the electrical system

Uploaded by

Esther Kolterman
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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TRUCK SERVICE MANUAL ELECTRICAL

Page 1

ELECTRICAL

CIRCUIT IDENTIFICATION

1 Generator (Field) 34 Water Level 67


2 Generator (Charge) 35 Engine Oil Pressure 68 Tail Light
36 Fuel Level 69 License Plate Light
4 37 Fuel Pump 70 Stop Light
5 38 71 Back-Up Light
6 Regulator, Volt (Field Relay) 39 72 Trailer
7 Regulator, Volt (Charge) 40 Air Pressure Warning 73
41 Vacuum Warning 74
42 Front Axle Warning 75 Heater
10 Battery Cables 43 D. P. Lock Warning 76 Defroster
11 Ground 44 Brake System Warning 77 Air Conditioner
12 45 Anti-Theft Warning 78 Heated Mirror
13 46 79 Sander Traction
14 Main Feed 47 Speedometer 80 Accessory Feed
15 Key Switch 48 Tachometer 81
16 Ignition 49 82 Windshield Wiper
17 Starting Control 50 Light Switch 83 Window Lift
18 Glow Plug, Pre Heater 51 84 Cigar Lighter
19 Fuel Shut-Off 52 Head Light 85 Horn
20 Propane 53 86 Radio
21 54 Parking Lights 87 Windshield Washer
22 55 Directional Signal 88 Clock
23 Magnetic Fan 56 89
24 Exhaust Brake 57 90
25 58 Clear. ,Ident, & Marker Lts 91 Electric Brake
26 Generator Indicator 59 92 Transmission
27 Voltage Regulator 60 Hazard 93 Axle Shift
28 Instrument 61 94 Anti-Skid
29 Engine Water Temperature 62 Panel Lights 95 Exhaust Emission
30 Engine Oil Temperature 63 Dome &/or Courtesy Lt 96 Snow Plow
31 Trans Oil Temperature 64 Auxiliary Lights 97 Auto-Cruise
32 Axle Oil Temperature 65 98
33 Engine Oil Level 66 99

CTS-2504-L
TRUCK SERVICE MANUAL ETJECTRICAL

Page 1

CIRCUIT DIAGRAM

SCOUT II
4 - 6 - 8 CYLINDER G A S

All wires are identified by either a circuit number, wire gauge or color,
while the symbol which appears at the right of each diagram identifies the
method of connecting the wires.

For additional information covering circuit identification, refer to CTS-2504.

The various electrical units (except headlights) on these chassis are pro-
tected by fuses located in a panel beneath the left side of the instrument panel.
If a short develops in the headlamp circuit, the circuit breaker located in the
light switch relieves the load.

To assure that the electrical system is kept in the best condition, it is good
practice to inspect the system at least once a month for the possibility of loose
or frayed wires, loose battery connections or other deficiencies in the system
which contribute to inadequate performance from the electrical units.

IMPORTANT; The wiring harness on these chassis is routed inside the


right side rail from the engine to rear of the frame.

Extreme care must be taken when welding or drilling is being performed


on the rail, as distortion of the wiring will result.
TRUCK SERVICE MANUAL
EiECTRlCA L
page 2
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