SERVICE MANUAL NUMBER 23
IGNITION SYSTEM
Ignition Control System Components
General Precautions
CAUTION
Avoid personal injury and/or property damage. Listed below are some of the pre-
cautions, along with others listed throughout this manual, that you should observe
to help ensure an accident-free maintenance experience:
•
Always disconnect battery cables from battery BEFORE working on electrical
system to prevent injury to yourself or damage to electrical system.
•
Be sure that engine compartment is well ventilated and that no gasoline vapors
are present, to avoid the possibility of fire.
•
•
•
•
•
Be sure to keep hands, feet and clothing clear of moving parts.
Do not touch or disconnect any ignition system parts while engine is running.
Do not reverse battery cable connections. System is negative (–) ground.
Do not disconnect battery cables while engine is running.
When working on engine, spark plug holes and carburetor throat should be kept
covered to prevent foreign objects from entering combustion chamber.
•
Replace a component if there is any doubt as to the condition of the component.
EFI System Maintenance Precautions
WARNING
Avoid Injury or Electrical System Damage: Always disconnect battery cables from
battery before working around electrical system components. See CAUTION
following:
CAUTION
Avoid damage to the EFI electrical system components: Refer to the following
precautions when working on or around the EFI electrical harness, or when adding
other electrical accessories:
•
•
•
•
•
DO NOT tap accessories into engine harness.
DO NOT puncture wires for testing (Probing).
DO NOT reverse battery leads.
DO NOT splice wires into harness.
DO NOT attempt diagnostics without proper, approved Service Tools.
Index
90-861326--1
MARCH 1999
Page 4B-3
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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