Question about 2005 Chevrolet Impala
The ignition coils are mounted on it. Just follow the spark plug wires.
Posted on Nov 18, 2009
Right under the coil pack. you have to buy a special ratchet peice to the screws off (cost about 5 bucks) and autozone can test it for you
Posted on Mar 20, 2010
On both engine's 3.4L or 3.8L the ignition module is under the coil pack's the coil pack's is where the spark plugs wire's plug to, three coil pack's sit on top of ignition module, remove coil pack's little bolts two on each one, remove coil pack's and install new module, reinstall coil pack's and spark plug wire's and your ready to go.
Posted on Nov 18, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
The instrument panel integration module (IPM)
The rear integration module (RIM)
Each of the 3 body control modules integrate a number of functional systems under the control of a single module. Each of the modules are connected to the Class 2 serial data line; many control signals are implemented by Class 2 messages.
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the DIM. The PMM receives 4 signals from the ignition switch.
To determine the correct power mode the PMM uses the following circuits:
Ignition 1 voltage
Ignition 3 voltage
Your best bet would be to take to a repair shop that has knowledge of this type system . You probably don't need an ignition switch.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid PMM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, battery positive voltage, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
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