2004 ISUZU TF SERIES Workshop Manual

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ISUZU TF SERIES 2004  Workshop Manual ELECTRICAL-BODY AND CHASSIS  8A-15 
Normal Blown
 
 FUSE 
Fuses are the most common form of circuit protection used in 
vehicle wiring. 
A fuse is a thin piece of wire or strip of metal encased in a

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ISUZU TF SERIES 2004  Workshop Manual 8A-16  ELECTRICAL-BODY AND CHASSIS 
 
 
 RELAY 
Battery and load location may require that a switch be placed 
some distance from either component. 
This means a longer wire and a higher voltage drop

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ISUZU TF SERIES 2004  Workshop Manual ELECTRICAL-BODY AND CHASSIS  8A-17 
DIODE 
Diode Specifications and Configurations 
 
SHAPE   
MARK/ 
COLOR  
CONSTRUCTION  CHECKING
 THERE SHOULD BE CONTINUITY IN
EITHER A OR B WHEN A CIRCUIT
TESTER

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ISUZU TF SERIES 2004  Workshop Manual 8A-18  ELECTRICAL-BODY AND CHASSIS 
 
 
 CONNECTOR 
The connector pin shape determines whether the connector is 
male or female. 
The connector housing configuration does not determine 
whether a conn

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ISUZU TF SERIES 2004  Workshop Manual ELECTRICAL-BODY AND CHASSIS  8A-19 
Battery-1 
 
 BATTERY 
Inspection 
1.  Check the battery terminals 1 for corrosion. 
2.  Check the battery cables 
2 for looseness. 
3.  Check the battery case 
3 f

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ISUZU TF SERIES 2004  Workshop Manual 8A-20  ELECTRICAL-BODY AND CHASSIS 
 
 Caution: 
Never push or tow the vehicle in an attempt to start it. 
Extensive damage to the emission system and other 
vehicle parts will result. 
(Only catalyti

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ISUZU TF SERIES 2004  Workshop Manual ELECTRICAL-BODY AND CHASSIS  8A-21 
 
 Caution: 
Do not attach the booster cable to the discharged battery 
negative terminal. 
 
11. Start the engine of the vehicle with the booster battery. 
  Check

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ISUZU TF SERIES 2004  Workshop Manual 8A-22  ELECTRICAL-BODY AND CHASSIS 
READING THE CIRCUIT DIAGRAM 
In this manual, each system has its own parts location illustration and circuit diagram. 
And connector configurations used in the circ