Note: To take precautions when working with electronic components, please refer to Chapter 3.
HEI module (models 14 NV)
Removal
1. The module is mounted on a metal plate on the left side of the engine compartment below the ignition coil.
2. Remove the ignition coil as described in Chapter 16, and pull the coil out of the clamp.
3. The module can be removed with the mounting plate by unscrewing the two mounting screws.
4. Before installing the module, apply heat-conducting paste to the mounting plate to improve heat transfer. If you are installing a new module, this paste should be included in the kit.
Installation
5. Perform installation in reverse order.
MSTS-i module (1.6 and 1.8 liter models)
Removal
6. The module is installed on the engine compartment bulkhead, above the steering rack (see illustration).
7. Disconnect the negative cable from the battery.
8. If necessary to improve access, remove the air block from the carburetor.
9. Disconnect the electrical wiring from the module.
10. Unscrew the two fastening nuts and remove the module from the partition.
Installation
11. Perform installation in reverse order.
Motronic module
Removal
12. The module is installed in the driver's footwell, behind the side trim panel.
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13. Disconnect the negative cable from the battery.
14. Remove the driver's footwell side trim panel as described in Section 11.
15. Unscrew the three screws securing the module, two at the top and one at the bottom, and lower the module (see illustration).
16. Release the mounting bracket, disconnect the module wiring (see illustration).
17. Remove the module from the vehicle.
Installation
18. Perform installation in reverse order.
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