Not for certain but I would bet that it is under the coil pack. Where the spark plug wires plug into. The coils are many times mounted to it. Module and coil are one piece on a 2.0. Its mounted to the bottom of the intake and can be removed from under the car.
what is the color order of the wires to a Pontiac Sunbird ignition module
I would have the ignition module checked .
somewhere on the engine
The order they go in are green, yellow, yellow, brown/white, black/pink, yellow/black, brown. I found another 1991 sunbird with the same distributor at a junkyard, that's how I found out.
both the 3100 and 3800 series engines have the ignition control module mounted under the coil packs. remove the coil packs and there it is.
the ignition module is under the distibutor cap
In a 1994 Pontiac Sunbird LE, the tachometer signal wire can typically be found at the ignition coil or the engine control module (ECM). The wire is usually a light green or dark green color, depending on the specific wiring configuration. You can trace it from the ignition coil to the dashboard area where the tachometer is located. Always refer to a repair manual for the exact wiring diagram for your specific model.
under the intake manifold. Only way to it is on the back side of motor. You will need a long/thin 10m.m. socket to get it off.
For a 1991 Pontiac Sunbird, the wiring color order for the ignition module typically follows this pattern: the connections are usually made with a combination of colors such as red, gray, black, and green. However, it's essential to refer to the vehicle's service manual for precise wiring diagrams, as variations may exist based on the specific engine type and configuration. Always ensure that the vehicle is disconnected from the battery when working on ignition components to avoid electrical issues.
ecm and ing. module
The ignition control module is located on the left side of the engine, it is what the coil packs are attached to. If you remove both coil packs and unplug the two connections it will come right off.
On the distributor.