Before you begin:
* Disconnect the negative battery terminal. This is crucial for safety.
* Obtain a wiring diagram. A factory service manual is your best bet for accurate wiring information. You can find these online or at auto parts stores. Failing that, a wiring diagram specific to your engine and year can often be found online through forums dedicated to classic Camaros.
* Identify your components. Clearly label wires before disconnecting anything.
General Wiring (Points Ignition - common but less likely on a '79):
* Coil: The coil typically has two primary wires and one secondary wire.
* + (Positive): This is usually a switched 12V power source, often through the ignition switch. It's usually a heavier gauge wire.
* - (Negative): This is connected to the distributor's points (or the electronic ignition module if it’s an HEI system disguised as points). This wire is usually lighter gauge.
* Secondary (High Voltage): This thick, high-voltage wire connects to the distributor cap's center tower.
* Distributor:
* Points (if applicable): These are internal to the distributor and make and break the circuit to fire the coil.
* Condenser (if applicable): Connected across the points to suppress arcing.
* Rotor: Distributes the high voltage from the coil to the correct spark plug wire.
* Spark Plug Wires: Connect to the distributor cap in the correct firing order (consult your engine's specifications for the correct order). These wires must be in the correct order; otherwise, the engine won't run correctly.
General Wiring (Electronic Ignition - more likely on a '79):
* Coil: Same as above.
* Electronic Ignition Module (often integrated into the distributor - HEI): This module replaces the points and condenser. It receives a signal from the distributor's pickup and controls the coil's firing. The module typically has connections for power, ground, and a signal from the distributor.
* Distributor: The distributor's pickup provides a signal to the electronic control module. You may have a separate module or it may be built into the distributor. The HEI distributor is self-contained.
Important Considerations:
* HEI (High-Energy Ignition): Many 1979 Camaros had HEI distributors. These are self-contained units that simplify wiring significantly. They generally only require a 12V power source and a ground connection. The module is inside the distributor.
* Ballast Resistor (less common on later model '79's): Some systems use a ballast resistor in the positive coil wire to reduce current draw when the ignition is on but the engine isn't cranking. This resistor is bypassed during cranking through a separate wire.
* Ignition Switch: The ignition switch provides the power to the coil (and possibly the electronic ignition module).
* Grounding: Ensure all components are properly grounded to the engine block.
Again, a wiring diagram specific to your 1979 Camaro is absolutely essential. Attempting to wire this without one can lead to damage or injury. If you are uncomfortable working on your car's electrical system, it is best to seek the assistance of a qualified mechanic.
