Pontiac FIREBIRD 1972 Service Manual page 763

ENGINE ELECTRICAL
CONTENTS OF THIS SECTION
Cranking Circuit
......................................................
6E- 1
................................................
Trouble Diagnosis 6E-2
..................................
Description and Operation 6E-5
Starting Motor
..................................................
6E-5
Service Procedures
..............................................
6E-6
Checks and Adjustments on Car
....................
6E-6
Overhaul Procedures
........................................
6E-6
Charging Circuit
....................................................
6E- 12
.............................................
Trouble Diagnosis: 6E- 12
................................
Description and Operation 6E- 18
Battery Condition
..........................................
6E-27
............................................
Service Procedures 6E-2 1
........................................
Service Precautions 6E-2 1
Overhaul Procedures
......................................
6E-2 1
Ignition Circuit
......................................................
6E-30
..............................................
Trouble Diagnosis 6E-28
Description and Operation
...............................
6E-30
Periodic Service
..............................................
6E-30
NOTE: Information pertaining to Chassis Elm-
tncaI will be found in Section I2
.
The engine electrical system can be divided into three
basic sections
.
1
.
The Cranking Circuit
2
.
The Charging Circuit
3
.
The Ignition Circuit
Wiring
............................................................
6E-30
Timing
............................................................
6E-31
Distributor
......................................................
6E-3 1
...........................................................
6 cyl 6E-32
8 cyl
...........................................................
6E-33
................................................................
Coil 6E-34
Secondary Cables
,
........................................
6E-34
Spark Plugs
....................................................
6E-34
Service Procedures
............................................
6E-36
Distributor
......................................................
6E-36
6-cyl
...........................................................
6E-36
8 cyl
...........................................................
6E-37
Timing
............................................................
6E-43
Spark Plugs
....................................................
6E-43
Unit Distributor
....................................................
6E-44
Trouble Diagnosis
..............................................
6E-45
Description and Operation
................................
6E-44
...............................
Ignition and Starting Switch 6E-44
BATTERY
Since a 12-volt battery is a part of each of these three
circuits. battery function. maintenance. and testing proce-
dures are covered in section 12
.
The battery. however.
should be considered as an integral part of each of the
three circuits
.
When analyzing trouble in any one of the
circuits. the battery should always be checked first
.