The 1993 Jeep Grand Cherokee engine control module is located on the firewall in the engine compartment. The engine control module will be on the passenger side of the firewall.
On the left side of the engine near the brake booster/master cylinder.
The transmission control module and engine control module are one part and are located under the hood.
The 1990 Chevy Celebrity engine is distributorless, the ignition is handled by a combination of the engine control module(computer) and the ignition control module. You did not mention which engine the car has. If your car has the 4 cylinder engine the ignition control module is below the intake manifold at the rear of the engine. You can follow the spark plug wires to it. The coils are mounted to the ignition control module. If your car has the V6 the ignition control module is near the starter and again you can follow the spark plug wires to it. Again the coils are mounted to the ignition control module.
The 2002 Acura airbag control module is located on the firewall in the engine compartment. The airbag control module will be on the drivers side of the firewall.
If you mean the Power Control Module, it is located on the passenger side of the engine compartment, along the upper edge of the firewall.
On a 1988 Dodge Ram 100 with a 318 engine, the control module, commonly referred to as the engine control module (ECM), is typically located on the driver's side of the engine compartment. It is mounted on the firewall, near the master cylinder. For easier access, you may need to remove certain components or covers in the area. Always refer to a service manual for specific instructions related to your model.
The 2003 Chevrolet trailblazer power control module is located in the fuse box. The fuse box is located in the engine compartment.
The 2003 Lincoln Town Car power control module is located on the firewall, in the engine compartment. The module will be on the drivers side of the firewall.
The 1993 Pontiac Transport windshield wiper control module is located on the firewall in the engine compartment. The windshield wiper control module will be on the passenger side of the firewall.
either the ECM engine control module, or the IDM injector control module. Most vehicles only have the ECM now.
It is part of the fuel pump module, it is located in the tank.