2004 ISUZU TF SERIES circuit diagram

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Page 674 of 4264

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

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
1. The
installation of a relay between the battery and the load reduces
the voltage drop
2.
Because the switch controls the relay, amperage through the
switch can be reduced.

Relay Specifications and Configurations
Name/
Color Rated
voltage/ Coil
resistance Internal circuit Name/
color Rated
Voltage/Coil
resistance Internal circuit
1T
(MICRO
ISO)
/Black 12V
Approx. 92
Minimum
operating
voltage: 7V at
20C (77F)

1M (MINI
ISO)
/Black 12V Approx.
94 Minimum
operating
voltage: 7V at
20C (77F)

1M
(MICRO
ISO)
/Black 12V
Approx. 132-3
Minimum
operating
voltage: 7V at
20C (77F)

1M
(power)/
Black 12V Approx.
94 Minimum
operating
voltage: 7V at
20C (77F)

* Relay contact shown in the wiring diagram indicates condition before actuation.

Page 676 of 4264

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

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 connector is male or female.

The symbol illustrated in the figure is used as connector in the
circuit this section.

Connector is identified with a number.

The applicable terminal number is shown for each connector.

Connector terminal numbers are clearly shown.
Male side connector terminal numbers are in sequence from
upper right to lower left.
Female side connector terminal numbers are in sequence from
upper left to lower right.
NOTE:
For those connectors on which specific terminal numbers
on symbols are shown, the terminal numbers or symbols
are used in the circuit diagram, irrespective of the above
rule.

Page 680 of 4264

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

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 circuit diagram are shown at the end of this manual.
PARTS LOCATION: The parts location shows the location of the connectors
1 and the harnesses 2 used in the
each system.
CIRCUIT DIAGRAM: The circuit diagram shows the power supply
3, the load or loads 4 and the grounding
point(s)
5.
CONNECTOR LIST: The connector configuration shows each connector's number
6, configuration 7 and the pin
numbers
8, parts name 9 , connector color 10.

PARTS LOCATION
RTW38DMF000201